Questions and answers by

random child who needs alot of help

Questions (584)

Simplify.11−9(−2x−3) (1 point) Responses −4x−6 18x−38 −4x+6 18x+38
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Evaluate the expression when c = - 1 and d = 15.c−d/−2 (1 point) Responses 7 -7 -8 8
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Evaluate the expression when w = 2 and y = 5.10(3w−2y) (1 point) Responses 4 -40 120 -4
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Simplify the expression.−1/2(−6x+3) (1 point) Responses −3x−3 −3x+3/2 3x+3 3x−3/2
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Simplify the expression.(3x−8)+(2x+5)−(4x−8) (1 point) Responses 9x−11 x+5 9x+5 x−11
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Simplify the expression.7x+3(x−2)−4x+8 (1 point) Responses 6x+14 6x+2 14x+2 14x+14
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Simplify the expression.(3/4x − 1) + (3/4x − 2) 1 3/4x + 1 -3 2/3x - 3
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Simplify the expression.(3/4x − 1) + (3/4x − 2)
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Simplify the expression.(34x − 1) + (34x − 2)
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Simplify the expression (5y − 1) + (−2y + 4)
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(5y − 1) + (−2y + 4)
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Simplify the expression.9/3x + 4 + 2x (1 point) Responses 1/5x + 12 5x + 4 x + 4 11/3x + 4
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A student is analyzing data that compare the change in the total number of wading bird nests in the Everglades to the change in
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A student is analyzing data that compare the change in the total number of wading bird nests in the Everglades to the change in
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Scientists often rely on _____ as evidence when looking at an animal’s reproductive success.(1 point)Responses data reasoning
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Simplify 1/3(9x − 5)(1 point) Responses 6x − 5 3x − 5/3 6x − 2 3x − 5
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Which two statements are correct when simplifying this expression?−7(9x − 5)
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2/5 (10x − 10y) −3/4 (12x − 24y)
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Which expression is equivalent to1/4 x − 36? Responses
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Which structure is thick to protect some of the reproductive structures in flowers?(1 point)Responses anther petal style sepal
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How do signals from sensory neurons reach motor neurons?(1 point)Responses Through interneurons in the brain and spinal cord
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What is the function of an organ system? (1 point)Responses to be a basic unit of organization with bodies to work together to
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How are muscle cells and bone cells similar?(1 point)Responses Both gather information from inside and outside the body. Both
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How is homeostasis achieved?(1 point)Responses Cells maintain internal stability. Cells secrete stomach enzymes. Cells control
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Which example shows an organism that cannot reach homeostasis through internal changes? (1 point)Responses A dog shivers when it
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How do polar bears maintain homeostasis in freezing cold weather? (1 point)Responses Their metabolism slows down to preserve
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The human body has four types of tissues. What part of the eye uses muscle tissue for opening and closing movements?(1 point)Res
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A girl has her eyes shut and is standing inside a brightly lit room. What happens to her pupils when she opens her eyes? Why?(1
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Which component of nerve cells contains the nucleus? (1 point)Responses axon cell body neuron dendrite
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In which two organs is food broken down?(1 point)Responses esophagus and small intestine small intestine and large intestine
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Which organ in the excretory system helps get filter waste?(1 point)Responses ureter urethra bladder kidney
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What is systemic circulation?(1 point)Responses the path of blood as it moves from the heart throughout the body and back to the
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Which statement is true?(1 point)Responses Bones are organ systems. Bones provide shape to the body. Bones help the heart pump
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Which option shows the correct order of organization within multicellular organisms (from least complex to most complex)?(1
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How are blood cells and stomach cells similar?(1 point)Responses Both secrete enzymes. Both help with digestion. Both help
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Which option describes one purpose of informational writing?(1 point)Responses to introduce a topic to persuade readers to do
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After exposure to an amazing stretching machine, Alexander’s height increased by 108 inches over 6 minutes. His height
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Paige decided to paint 4/5of the rooms in her home last year. By the end of the year, Paige completed 2/3 of the rooms. How much
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Celeste completed 5/6of her science problems. Her mom checked 2/3 of the assignment. What fraction of the assignment did her mom
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213÷25(1 point) Responses 5 5/6 14/15 9/16 4/5
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Consider the differences in heart structure between frogs and humans. How might these differences influence the physical
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Patricia studied 412hours for her Social Studies test. She studied half as long for her science test as she did for the Social
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What is 0.32 expressed as a simplified fraction?(1 point)Responses 8/25 16/5 32/100 16/100
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Find the product:−6(−43)(10) (1 point) Responses -120 60 -45 80
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Review the chart. Which three countries boast petroleum as its top export?(1 point) Responses Lybia, South Sudan, Congo Kenya,
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Which of the following options accurately compares and contrasts different types of trade barriers, such as tariffs, quotas, and
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Which of the following is an example of the impact trade had on the people of Southern and Eastern Africa?(1 point)Responses
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African countries have a mixed economic system located on a continuum between pure market and pure command. Which of the
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Which sentence contains coordinate adjectives?(1 point)Responses The road leads to a wide-open grass field where Rohan loves to
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Which phrase defines an appositive?(1 point)Responses a series of three of more items a phrase of four words or more that begins
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Identify which of these comma rules is used in each sentence. (4 points)Put responses in the correct input to answer the
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Tonya mailed her brother a postcard from Australia.Which word is the direct object ot the sentence? (1 point) Responses
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Which sentence contains coordinate adjectives?(1 point)Responses Mr. Tanner is an inspiring, smart, energetic science teacher.
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Which punctuation mark should be used to offset speech tags in a quotation?(1 point)Responses comma semicolon period dash
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Which sentence correctly shows how the apostrophe is used to form a contraction?(1 point)Responses Molly's options for courses
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Which option always requires a comma before the conjuction?(1 point)Responses appositive items in a series lond introductory
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Which sentence demonstrates correct placement of an adverb modifying an adjective. (1 point)Responses The redwood tree was
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Which sentence demonstrates correct subject-verb agreement?(1 point)Responses Most of the teachers attends the pep rally. Most
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How does the body react to cold temperatures? (1 point)Responses Your body shivers to make the internal temperature balanced
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How does the human body prevent internal energy levels from becoming too low?(1 point)Responses The digestive system transmits
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Many parts of the eye work to focus or control light except the(1 point)Responses pupil. cornea. lens. retina.
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In which organizational level is the eye?(1 point)Responses organs cells organ systems tissues
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When reducing the fraction, what should you find first?(1 point)Responses half of each value the least common multiple the
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The bookstore sold 0.15 of the action books during the first hour of the day. What percentage of the books was sold?(1 point)Res
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You see a mosquito land on your hand and swat at it. A signal passes through many parts of different neurons to make this
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What part of the nervous system is completely protected by bone? (1 point)Responses interneurons central nervous system sensory
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How do signals from sensory neurons reach motor neurons?(1 point)Responses Motor neurons signal for the body to move the signal
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What is the term for changes in the internal or external environment that cause a response? (1 point)Responses signals messages
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What is a dendrite? (1 point)Responses It is a cell that sends signals to the central nervous system based on sensory input. It
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Which organ in the digestive system has a function that is most similar the function of the bladder in the excretory system?(1
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What is amylase?(1 point)Responses an enzyme that breaks down food a nutrient absorbed in the small intestine acid in the
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Use the sentence to answer the question.Tonya mailed her brother a postcard from Australia. Which word is the direct object of
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Nigeria’s economy is almost entirely dependent uponenergy production agriculture service industries manufacturing
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A patient has low blood oxygen levels, although the patient's blood is circulating properly. Which is most likely functioning
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Which statement is correct?(1 point)Responses Division is associative but not commutative. Division is commutative but not
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Which is most complex?(1 point)Responses tissues organs cells organ system
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Which list is an organ system?(1 point)Responses the heart, arteries, and veins the liver, blood, and skin the heart, the
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A diver searches for a sunken treasure that is 97.2 feet below the surface. What is the diver’s elevation when he is 2/3of the
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A basketball player is 6 2/3feet tall. His infant son is 1/4 as tall. How tall is his son?(1 point) Responses 2 1/6 ft 1 2/3 ft
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Sara discarded 1/10of the 200 apples she picked as defective. The rest were sold as fresh fruit. How many apples picked were
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Which sentence contains a plural collective noun?(1 point)Responses The audience was ready for the game to begin. The choir was
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Which of the following is one characteristic of all living things? (1 point)Responses maintaining homeostasis moving from place
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How are muscle cells and bone cells similar?(1 point)Responses Both release sweat when the temperature gets too warm. Both
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Cells sometimes come under attack from different types of __________________. ___________ are not alive. It can reproduce only
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________________ are organelles used for food storage, water, nutrients and waste. Animal cells contain many little ones of this
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One of the most important organelles is the nucleus. It contains _____________. This molecule is shaped like a twisted ladder.(1
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Which specialized cell is responsible for feeling heat?(1 point)Responses neuron hair cell fat cell red blood cell
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Which sentence correctly describes the differences between plant and animal cells in regards to cell walls and plasma membranes?
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Which organelle functions as the control center of the cell?(1 point)Responses nucleus endoplasmic reticulum mitochondrion Golgi
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A student claims that, according to cell theory, the cell is the basic unit of life, and all cells are created spontaneously. Is
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What is the brain of a cell?(1 point)Responses mitochondria nucleus cytoplasm ribosomes
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a particular cell is known to be round and incapable of producing its own food, which one of these organelles would you assume
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How are leaf cells and root cells different? (1 point)Responses Leaf cells can absorb nutrients from the air, but root cells
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Which statement is correct about the function of a pseudopod? (1 point)Responses It helps unicellular organisms reproduce. It
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What is the function of the plasma membrane? (1 point)Responses It helps plants maintain their shape. It helps recognize other
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Which organelle processes sugar?(1 point)Responses nucleus endoplasmic reticulum central vacuole mitochondrion
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Which statement about plasma membranes is correct?(1 point)Responses Both plant cells and animal cells have flexible plasma
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Plant cells can use energy from the sun to make food. Animal cells cannot. Which organelle is responsible for this difference
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Of the five characteristics of living things, which one is required for the species to survive but does not have to apply to an
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A student claims that viruses are alive because they have genetic material and can reproduce. Is this student’s claim
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