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What is the product in simplest form? State any restrictions on the variable.x^2 + 7x + 10/x + 3 * x^2 - 3x - 18/x^2 + x - 2
1. 1 answer
2. 187 views
What is the product in simplest form? State any restrictions on the variable.x^2 + 7x + 10/x + 3 * x^2 - 3x - 18/x^2 + x - 2
1. 1 answer
2. 154 views
x - 2/x + 3 + 10x/ x^2 - 9State any restrictions on the variables.
1. 1 answer
2. 110 views
The general form of a member of the reciprocal function family is Identify the values of a, h, and k in the given function.y=
1. 1 answer
2. 159 views
The general form of a member of the reciprocal function family is Identify the values of a, h, and k in the given function.y=
1. 3 answers
2. 218 views
The general form of a member of the reciprocal function family is Identify the values of a, h, and k in the given function.y=
1. 1 answer
2. 221 views
Match the Software type with the product.1. Mac OS a) Educational Software b) Simulation Software c) Application Software d)
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2. 289 views
If a wave transfers from one medium to another medium with different properties, which statement is true?(1 point)Which of the
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2. 421 views
The table shows the speed of ultrasound waves in different tissues in the human body.Tissue Speed (m/s) Air 330 Fat 1,450 Water
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2. 339 views
In what way is an image formed by a mirror inverted?(1 point)Which of the following is the best option? a) From front to back b)
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2. 240 views
Which color of light has the most energy and why?(1 point)Which of the following is the best option? a) Red light has the most
1. 1 answer
2. 399 views
How many polarized filters are needed minimally to block light intensity?(1 point)Which of the following is the best option? a)
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2. 341 views
Which of the following statements about light is true?(1 point)Which of the following is the best option? a) The speed of light
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2. 355 views
Consider the following list of properties. Which applies to light?A: Mechanical wave B: Electromagnetic wave C: Travels in
1. 1 answer
2. 441 views
QuestionThe table below shows the speed of sound in water at different temperatures and salinities. Speed of Sound in Water at
1. 1 answer
2. 615 views
The number of wavelengths that pass a point each second is called __________.(1 point)Which of the following is the best option?
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2. 219 views
Owls communicate using long-wavelength hoots, while songbirds use short-wavelength tweets. Which of the sounds can be heard over
1. 1 answer
2. 516 views
When the string on a violin vibrates, waves move in both directions along the string, interfering with each other. Sometimes
1. 1 answer
2. 148 views
A stationary source produces a sound wave at a frequency of 100 Hz. The wave travels at 1125 feet per second. A car is moving
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2. 279 views
The lowest frequency that we can hear is about 20 hertz. If the speed of sound in air is 340 meters/second, what is the
1. 1 answer
2. 460 views
Two similar waves are traveling through the same medium. Wave A has a frequency that is 3 times that of wave B.How do their
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2. 323 views
The speed of a wave is 2 m/8, and its wavelength 0.4 meters. What is the period of the wave?(1 point)Which of the following is
1. 1 answer
2. 129 views
A sound wave passes through regions of the ocean with varying density. How do the varying wavelengths correspond to the density
1. 1 answer
2. 337 views
As waves move through water, the water at any point rises and falls. At a given moment, two points along the wave’s line of
1. 1 answer
2. 274 views
Which phrase correctly defines the amplitude of a wave?(1 point)Which answer is the best? a) the vertical distance from the
1. 1 answer
2. 516 views
How do the frequencies and the speeds of yellow light and blue light compare?(1 point)Which of the following is the best answer?
1. 25 answers
2. 1,702 views
Which best explains why high frequency electromagnetic waves are more likely to cause harm to living things?(1 point)Which
1. 1 answer
2. 258 views
What is one way that light waves differ from sound waves?(1 point)Which answer is the best option? a) Light waves do not require
1. 3 answers
2. 518 views
What is one way that light waves differ from sound waves?(1 point)Responses a) Light waves do not require a medium to propagate.
1. 2 answers
2. 236 views
Please share your personal opinion about renewable energy sources. Be sure to include which one you feel is most worth investing
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2. 120 views
Distributional _______ are small amounts of money paid by all utility customers to help finance research and development of
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2. 105 views
Which type of light bulb is the most efficient?a) LED b) CFL c) Incandescent
1. 1 answer
2. 118 views
The best region to generate solar power in the United States is ____.a) forests of the Pacific Northwest b) farmlands of Iowa c)
1. 1 answer
2. 119 views
Which of the following is NOT a challenge of renewable energy?a) low impact on landscapes b) economics c) geography d)
1. 1 answer
2. 95 views
Use Snell’s law to determine the index of refraction of a sample of glass if a light ray that strikes the glass from air at an
1. 3 answers
2. 654 views
In a paragraph of 3–5 sentences, explain Lyndon B. Johnson’s “War on Poverty,” and describe key programs in the plan,
1. 1 answer
2. 363 views
John F. Kennedy's inauguration speech, January 1961.Let every nation know, whether it wishes us well or ill, that we shall pay
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2. 621 views
The 1970s were a time of protest and activism, for Latinos and American Indians alike. As you read about them on slides 4
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2. 116 views
Read about the status of the Equal Rights Amendment at this link. Why do you think the amendment has faced such opposition, even
1. 1 answer
2. 113 views
Read about the extremely talented Shirley Chisholm at this link. and at the link at the bottom of slide 2 of 9.36. List at least
1. 1 answer
2. 173 views
Watch this video about OPEC. Explain what happened in 1973 in the U.S. when those countries placed an embargo on oil production.
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2. 272 views
The “counterculture” movement of the 70s challenged traditional social patterns. List at least 5 ways that hippies
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2. 158 views
The Environmental Protection Agency was established in 1970. (slide 2) Place an X in front of the ONE statement that explains
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2. 176 views
Read about Earth Day and the environmental disasters on slides 1-4 of 9. In your opinion, was it foolish to start a movement in
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2. 144 views
Read the following statements and tell if they happened during the presidency of Ford or Carter.a) Pardoned Nixon b) Improved
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2. 165 views
“If we 18-year-olds can die for our country, we should be able to vote against the old men who send us to die.” A statement
1. 1 answer
2. 196 views
What legislation was passed in 1973 that was designed to curb presidential power to commit troops to foreign soil? (replace the
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2. 181 views
Young people all over America saw their friends drafted and sent to die in Vietnam. Protests and rallies were televised, and
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2. 217 views
The Vietnam War was the first war that was televised nightly, allowing the world to see the action almost immediately. Not
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2. 142 views
In a move that greatly increased presidential power, Congress passed the Gulf of Tonkin Resolution. What did this Act allow the
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2. 145 views
The primary reason that the US decided to enter into the conflict in Vietnam can be explained by the “domino theory.” What
1. 1 answer
2. 237 views
Which ONE of these statements about the events surrounding "Watergate" is true?a) Nixon lied about having knowledge of the
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2. 199 views
Richard Nixon became president in 1960. Match up the events of his presidency with their descriptions.Event: 1. NASA 2. OSHA 3.
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2. 125 views
Read on slide 7 of 9 about the Cuyahoga River disaster. What was the public reaction to that?
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2. 120 views
20. Match the Supreme Court decision to its meaning to all citizens.Supreme Court Decision: 1. Tinker v. DesMonies 2. Miranda v.
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2. 182 views
Betty Friedan, a feminist writer, wrote a book called “The Feminine Mystique”. What was its overall message?
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2. 212 views
On slide 12 of 14, watch the video about the Space Race. What things do we use daily that can be traced directly to this race to
1. 1 answer
2. 262 views
Watch this very short video about the Housing and Urban Development Act of 1965. What were some of the ways that this act helped
1. 1 answer
2. 154 views
How will/does the Medicare Act of 1965 have a positive effect on you and the people you love?
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2. 110 views
In what ways were Johnson’s “Great Society” programs similar to Roosevelt’s New Deal and others? This should be a fully
1. 1 answer
2. 191 views
What tragic event happened on November 21, 1963?
1. 1 answer
2. 118 views
Which one of these statements are true?Choose one. a) Kennedy and Nikita Kruschev argued for the existence of nuclear bases very
1. 1 answer
2. 125 views
What tragic event happened in Tennessee on April 4, 1968?
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2. 192 views
Match these three men to thier ideas of how to achieve civil rights. Be careful! Read closely.Men: 1. Stokely Carmichael 2.
1. 1 answer
2. 124 views
Match the term with the description.Terms: 1. 24th Amendment 2. Civil Rights Act of 1964 3. Voting Rights Act of 1965 4.
1. 1 answer
2. 146 views
When a sound wave propagates through air, how do the air molecules move?(1 point)Responses a) The air molecules move randomly.
1. 1 answer
2. 400 views
What effect do clouds have on the color of the sky?(1 point)Responses a) They reflect light waves. They reflect light waves. b)
1. 1 answer
2. 266 views
Why is a polarized filter helpful to a photographer?(1 point)Responses a) It blocks some light but not all. It blocks some light
1. 1 answer
2. 409 views
An object absorbs red, orange, yellow, blue, indigo, and violet light. What color is it?(1 point)Pick one of the following: a)
1. 3 answers
2. 215 views
An object absorbs red, orange, yellow, blue, indigo, and violet light. What color is it?(1 point)Responses a) indigo b) blue c)
1. 2 answers
2. 157 views
The wavelengths of visible light vary from about 300 nm to 700 nm. What is the range of frequencies of visible light in a
1. 1 answer
2. 400 views
What is the speed of light in a vacuum?(1 point)Responses a) v=3⋅10^8 m/s v equals 3 times 10 superscript 8 baseline m per s
1. 2 answers
2. 154 views
What is the speed of light in a vacuum?a) v=3⋅108 m/s v equals 3 times 10 superscript 8 baseline m per s b) v=2⋅108 m/s v
1. 1 answer
2. 116 views
The population of wild horses on a wildlife refuge decreased from 110 to 99 in a year. If this trend were to continue, what
1. 2 answers
2. 289 views
Suppose you deposit $5,000 in savings account that earns 3% annual interest. If you make no other withdrawals or deposits, how
1. 1 answer
2. 246 views
An initial population of 175 quail increases at an annual rate of 22%. Write an exponential function to model the quail
1. 1 answer
2. 474 views
3. An initial population of 175 quail increases at an annual rate of 22%. Write an exponential function to model the quail
1. 1 answer
2. 250 views
Find the annual percent increase of decrease that y = 0.35(2.3)^x models.a) 230% increase b) 130% increase c) 30% decrease d)
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2. 153 views
What is the solution of the equation?3 ^2sqrt (x + 2)^3 + 3 = 27
1. 1 answer
2. 94 views
What is the solution of the equation?3 5√ (x + 2) 3 + 3 = 27
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2. 88 views
What is the inverse of f if f(x) = ^3 square root of x - 4?
1. 1 answer
2. 88 views
What is the inverse of the given relation?y = 3x + 12
1. 1 answer
2. 122 views
Let f(x) = -2x + 4 and g(x) = -6x - 7.a) Find f(x) * g(x). b) Find f(g(4)).
1. 1 answer
2. 79 views
Pick the best option.When you copyright something, the only way that others can use the work without your permission is if they
1. 1 answer
2. 123 views
Pick the best option.Copyright is pretty relaxed, so even though Sally put "Copyright" on her photo the blogger can do what he
1. 1 answer
2. 293 views
Pick the best option.Even though Sally put "Copyright" on her photo, the blogger doesn't have to ask permission because he
1. 1 answer
2. 122 views
Pick the best option.When you copyright something, others have to ask your permission before using it. A) True B) False
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2. 116 views
Sally takes a photo of the mountains near her home. She uploads the photo to the Internet with "Copyright 2011 Sally Johnson"
1. 1 answer
2. 185 views
Decide which kind of license is best for each student's work.An article that Walter finds in a government database. A) Copyright
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2. 155 views
Why is it impossible for a heat engine to be 100% efficient?A) Work cannot be done on a heat engine. B) Some heat is always lost
1. 1 answer
2. 163 views
What is true of heat and temperature?A) Heat and temperature are not related to each other. B) Heat is the measure of the
1. 1 answer
2. 219 views
As researchers cool a substance close to absolute zero, what happens?A) The work needed to cool it further decreases, becoming
1. 2 answers
2. 147 views
How is the level of entropy in the universe impacted as energy moves through a food chain?
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2. 205 views
Which of the following is NOT a valid reason that less energy is transferred at each level of the food chain?A. Energy is
1. 1 answer
2. 167 views
Pick the best answer/responseThe specific heat of a substance is 0.215 J/g°C. How much energy is required to raise the
1. 2 answers
2. 186 views
Choose the best answer.Values may use percentages. A) RGB B) CYMK C) HUE
1. 1 answer
2. 115 views
Values may use percentages.A) RGB B) CYMK C) HUE
1. 1 answer
2. 113 views
Shows how bright or dull it is.Choose one of the following, which is best: a) RGB b) CYMK c) HUE
1. 1 answer
2. 108 views
Shows how bright or dull it is.a) RGB b) CYMK c) HUE
1. 2 answers
2. 107 views
Most graphics programs include this and grayscale.A) RGB B) CYMK C) HUE
1. 1 answer
2. 103 views

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