Questions and answers by

Alana

Questions (289)

Which detail would be most relevant to this central idea?George Washington's presidency still has an impact on our government
1. 1 answer
2. 254 views
A student is writing an argumentative essay about adopting shelter animals instead of buying pets. Which detail would not be
1. 1 answer
2. 183 views
Which detail would be most relevant to this central idea?Summer is the most fun season, because there is so much to do. 1.
1. 1 answer
2. 174 views
Apply the product rule of integer exponents to find the numerical equivalent of 12^-5 * 12^7. Show your work and explain how you
1. 1 answer
2. 87 views
Apply the Properties of Integer Exponents generate equivalent express to (7^-3)^7 * 7^20/6^-2 with only positive exponents, then
1. 1 answer
2. 141 views
Apply the Property of Negative Integer Exponents to generate an expression equivalent to 3^-17/8^-14 with positive exponents
1. 1 answer
2. 185 views
Apply the Property of Negative Integer Exponents to solve 7^-3. The answer should not contain any exponents expression or
1. 1 answer
2. 211 views
Use the Power Rule of Exponents to create a simplified equivalent for (19^4)^9
1. 1 answer
2. 88 views
If the expression 7^15 was simplified using the Power Rule of Exponents, which of the following would be an expanded equivalent
1. 1 answer
2. 227 views
If the expression 7^15 was simplified using the Power Rule of Exponents, which of the following would be an expanded equivalent
1. 1 answer
2. 256 views
Apply the Zero Power Rule to create an equivalent expression to 9 * (-33)^0 = 3/2 (8-27^0)
1. 1 answer
2. 120 views
What is the missing number in this simplified exponenetial expression: 7^? div 7^5 = 7^12
1. 1 answer
2. 195 views
What is the missing exponent in the following equation?h^450/h^? = h^215
1. 1 answer
2. 127 views
Find the numerical equivalent of 9^9 * 9^-6
1. 1 answer
2. 113 views
use the Product Rule of Exponents to simplify 5^10 * 5^51. 25^50 2. 5^15 3. 25^15 4. 5^50
1. 1 answer
2. 77 views
Please write 500 (min) - 1000 (max) words responding to one of the following prompts:My Hero: Who is your hero or role model,
1. 1 answer
2. 161 views
Please write 500 (min) - 1000 (max) words responding to one of the following prompts:My Hero: Who is your hero or role model,
1. 1 answer
2. 145 views
Use the sentence to answer the question.The game was won by the Bluejays. How would you change the sentence from passive voice
1. 1 answer
2. 189 views
Which sentence is written in the active voice?1. Rebecca and Lauren went to the beach. 2. The lunch was packed 3. The plans were
1. 1 answer
2. 241 views
When is it appropriate to use the passive voice?1. When the person or thing performing the action is a proper noun 2. It is
1. 1 answer
2. 230 views
Sentences with ___ are wordier because they have an additional helping verb and sometimes the word by.1. Active voice 2. Passive
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2. 166 views
When the subject of the sentence receives the action, and the person or thing doing the action follows the verb, the sentence is
1. 1 answer
2. 125 views
When the subject of the sentence performs the action, the sentence is in __?1. Active voice 2. Passive voice
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2. 75 views
A student drops a 350-gram rock and a 500-gram rock into a pool from a height of 8 meters. Which statement about the
1. 1 answer
2. 443 views
Which characteristic will be affected by increasing the speed of an object from 30 meters per second (m/s) to 40 meters per
1. 1 answer
2. 249 views
A student drops a basketball into a pool from a height of 5 meters while a friend records the approximate splash height. They
1. 1 answer
2. 334 views
Which is a good description of potential energy.1. Energy of motion 2. Energy of reaction 3. Stored energy 4. Conserved energy
1. 1 answer
2. 222 views
A book is at rest on a flat table. A person gives the book a shove and it slides across the table. The book eventually comes to
1. 1 answer
2. 294 views
A person throws a ball up into the air, and the ball falls back toward Earth. At which point would the kinetic energy be the
1. 1 answer
2. 471 views
An object falls through the air, gaining speed as it falls. A student claims that this creates new energy, and so it breaks the
1. 1 answer
2. 245 views
Use the chemical equation to complete the activity.2Cu + S -- Cu2S Copper reacts with sulfur to form copper sulfide as shown in
1. 1 answer
2. 235 views
The imagine is a model of sulfuric acid that has a chemical formula of H2SO4. In 1-2 sentences explain why creating models, like
1. 1 answer
2. 207 views
Use the unbalanced chemical equation to answer the question2NaHCO3 -- Na2CO + CO2 Which of the following can be added to the
1. 1 answer
2. 139 views
One molecule of bromine and two molecule of potassium chloride combine in a reaction. How many atoms are in the products?1. two
1. 1 answer
2. 155 views
Sodium reacts with chlorine to form the compound sodium chloride, or salt. The chemical formula below shows how the two elements
1. 1 answer
2. 410 views
How does a balanced chemical equation demonstrate the Law of Conservation of Mass?1. It shows that only physical changes follow
1. 1 answer
2. 223 views
Why are sodium and potassium in the same group on the periodic table?1. They have similar atomic weights 2. They have similar
1. 1 answer
2. 208 views
In a molecule of lithium sulfide, there are two atoms of lithium and one atoms of sulfur. Which statement about lithium sulfide
1. 1 answer
2. 234 views
Cobalt has a mass number of 59 and an atomic number of 27. A student wants to create a model of a cobalt atom. Which statement
1. 1 answer
2. 162 views
Which statement is true regarding a chemical reaction?1. Even if the total number of atoms changes, mass may not be conserved in
1. 1 answer
2. 91 views
In which chemical equation is the number of atoms in the reactants the same as the number of atoms in the products?1. CO2 + H20
1. 1 answer
2. 152 views
A student combines two liquids in a beaker. She observes that the mass of the combined liquid is less than the mass of the two
1. 1 answer
2. 412 views
What is always true according to the Law of Conservation of Matter1. The total number of molecules before and after a chemical
1. 1 answer
2. 150 views
Which procedure could be used to demonstrate that matter is conserved during a chemical change or reaction?1. Find the mass of a
1. 1 answer
2. 163 views
Suppose 10 atoms of carbon react with 20 atoms of oxygen to form 10 molecules of carbon dioxide. According to the law of
1. 1 answer
2. 300 views
Which expression is equivalent to (4^-1)^-3 ?1. 1 2. 64 3. 16 4. 1/16
1. 1 answer
2. 81 views
Which expression is equivalent to (6^-1)^21. 1/36 2. 6 3. 1/6 4. 36
1. 1 answer
2. 77 views
Which expression is equivalent to (5^-1)^-21. 1 2. 25 3. 1/5 4. 125
1. 1 answer
2. 104 views
Which expression is equivalent to (4^-1)^-31. 1/16 2. 1/64 3. 16 4. 64
1. 1 answer
2. 85 views
Which expression is equivalent to 3^-3 x 3^-3 ?1. 9^-6 2. 3^9 3. 3^-6 4. 9^9
1. 1 answer
2. 76 views
Simplify to a single power of 5:(5^2)^6 5^__
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2. 120 views
Simplify to a single power of 2:(2^7)/(2^5) 2^__
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2. 203 views
Simplify to a single power of 3:(3^5)^4 3^__
1. 1 answer
2. 120 views
Simplify to a single power of 2:(2^4)^2 2^__
1. 1 answer
2. 118 views
Simplify to a single power of 3:(3^8)/(3^2) 3^__
1. 1 answer
2. 103 views
Which option describes the purpose of using active voice?1. To focus attention on the receiver of the action 2. To correct the
1. 1 answer
2. 120 views
Which sentence is written in the active voice?1. The meal was being cooked when i arrived home 2. Raisins are made from grapes
1. 1 answer
2. 115 views
Which of the following describes active voice?1. voice of writing using the present tense 2. Voice used in writing in which the
1. 1 answer
2. 154 views
The student lifts the balloon causing the baking soda to combine with the vinegar in the bottle. The student observes the
1. 5 answers
2. 141 views
In the Massachusetts Bay Colony, the right to vote was expanded to include men who were1. Stockholders 2. Property owners 3.
1. 3 answers
2. 122 views
Why were the Dutch and the French enemies in North America?1. They both wanted control of the Mississippi River 2. They both
1. 1 answer
2. 110 views
One reason why the Spanish easily conquered the Americas was that the Aztecs and Incas lacked1. Wealth and power 2. Loyalty to
1. 1 answer
2. 127 views
What was the main reason Columbus sailed to the Americas?1. He wanted to find riches 2. He wanted to prove that the world was
1. 1 answer
2. 159 views
What was the main reason that early settlers gradually spread across the Americas1. They were constantly under attack from
1. 11 answers
2. 207 views
Which property of exponents was used to generate the equivalent expression 3^14 from 3^5/3^-9?1. only the Product Rule Of
1. 1 answer
2. 185 views
Which sentence contains a participle functioning as an adjective?1. Katrina is wandering around the school looking for her
1. 1 answer
2. 192 views
Which sentence contains a participle functioning as a verb?1. The students are waiting for the bus 2. Mateo will only eat cooked
1. 1 answer
2. 143 views
use the sentence to answer the question.There is a walking path that leads from the middle school to the high school. Which
1. 1 answer
2. 187 views
Which word is the past tense of an irregular verb?1. Hidden 2. Squawked 3. Aimed 4. Tapped
1. 1 answer
2. 330 views
Select the correct answer from the list.Participles can be present or past participles. Present participles always end in __ 1.
1. 3 answers
2. 220 views
Select the correct answer from the list.A participle is a type of verb that can function as a ___ 1. Adjective or noun. 2. Verb
1. 1 answer
2. 244 views
Which sentence includes a gerund?1. I am running a marathon this weekend. 2. My family is impressed by my cooking 3. The runners
1. 1 answer
2. 129 views
Use the sentence to answer the question.Traveling offers the opportunity to meet new people and experience exciting cultures How
1. 1 answer
2. 193 views
Which sentence includes a gerund?1. Nash has been swimming since he was five years old 2. While swimming at the beach, Harper
1. 1 answer
2. 163 views
Which of the following describes a gerund and how it functions in a sentence?1. A gerund is a noun that functions as the subject
1. 1 answer
2. 120 views
use the chemical reaction to answer the question.2H2 + O2 -- 2H2O There are four atoms of hydrogen before the reaction how many
1. 3 answers
2. 364 views
Use the chemical reaction to answer the question.NaHCO3 + HC2H3O2 -- NaC2H3O2 + H2O + CO2 A student mixes baking soda and acetic
1. 1 answer
2. 395 views
Which is most likely occur during a chemical reaction?1. The original substance maintains its properties 2. Mass is conserved 3.
1. 1 answer
2. 188 views
Use the chemical reaction to answer the question4Fe + 3O2 -- 2Fe2O3 what happens to atoms of Fe and O2 during the reaction?
1. 5 answers
2. 232 views
Use the chemical reaction to answer the question.CaCO3 -- CO2 + CaO A scientist heats 30 grams of calcium carbonate in the
1. 1 answer
2. 221 views
Which of the following is an equivalent expression to 13^-5 * 13^-11 with only positive exponents, generated by applying the
1. 1 answer
2. 165 views
Which of the following is equivalent to 6^-21. 1/6^-2 2. 1/2^6 3. 1/36 4. 36
1. 1 answer
2. 77 views
Which of the following is developed to be equivalent to 1/8^51. 5^-8 2. 8^-5 3. 8 1/5 4. 8^5
1. 1 answer
2. 234 views
Apple the Property of Negative integer Exponents to generate an expression equivalent to 5^-9/4^-12 with positive exponent's
1. 3 answers
2. 168 views
Apply the Property of Negative Integer Exponents to generate an expression equivalent to 7^-3 * 7^-5
1. 1 answer
2. 148 views
Apply the Property of Negative Integer Exponents to rewrite 3^-4 as an expression with positive exponents only.3^-4 = __
1. 3 answers
2. 137 views
Apply the Property of Negative Integer Exponents to rewrite 9^-23 as an expression with positive exponents only.9^-23 = __
1. 1 answer
2. 165 views
Apple the Property of Negative Integer Exponents to rewrite 15^-38 as an expression with positive exponents only.15^-38 = __
1. 2 answers
2. 220 views
What exponent would make the two expressions equivalent: (3^3)^x = 3^24?1. 8 2. 15 3. 21 4. 27
1. 1 answer
2. 198 views
Use the Power Rule of Exponents to create an expression equivalent to (15^6)^21. 15^3 2. 15^12 3. 15^4 4. 15^8
1. 1 answer
2. 138 views
If the expression 4^10 was simplified using the Power Rule of Exponents, what is an equivalent expanded expression?1. (4^12)^2
1. 1 answer
2. 79 views
Which of the following correctly used the Power Rule of Exponents in the expression (10^9)^7?1. 10^63 2. 10^2 3. 10^16 4. 90^7
1. 1 answer
2. 97 views
Which expression is correctly developed to use the Power Rule of Exponents?1. 12^9 2. (-5)^0 3. (7^4)^8 4. (7^8) * ( 7^10)
1. 1 answer
2. 235 views
What exponent would make the two expressions equivalent: (16x)^6=(16^18).
1. 3 answers
2. 126 views
use the power rule of exponents to simplify the expression (73^4)^5 .
1. 1 answer
2. 73 views
Which sentence displays correct subject-verb agreement?1. The people in the audience stand as the show ends. 2. The helpers
1. 1 answer
2. 138 views
Which sentence uses correct subject-verb agreement?1. My teachers often gives homework on the weekend 2. The cat carefully steps
1. 1 answer
2. 128 views
Which of the following describes what it means when subjects and verbs agree?1. They describe the same things 2. They are not
1. 1 answer
2. 155 views
Which option is an example of a chemical change?1. Chopping vegetables 2. Burning wood 3. Folding paper 4. Stretching a rubber
1. 1 answer
2. 117 views
Why is it physical change to freeze water?1. A temperature change occurs. 2. The new and original substances are different. 3.
1. 1 answer
2. 298 views