Factor the trinomial completely, or state that the trinomial is prime.9a2 + 9ab + 2b2
A. (3a + b)(3a + 2b)
B. (9a + b)(a + 2b)
C. (3a - b)(3a - 2b)
D. prime
Answer: A
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Match the function with its graph.1) y = 2 + sin (x)2) y = 2 + cos (x)3) y = -2 + sin (x)4) y = -2 + cos (x)A)B)
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C)D)
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A. 1A, 2B, 3C, 4D B. 1B, 2D, 3C, 4A C. 1A, 2C, 3D, 4B D. 1A, 2D, 3C, 4B
Write as the sum and/or difference of logarithms. Express powers as factors.log 
A. log(x - 1) + log(x2 + x + 1) - 3 log x B. log x3 - log 1 - 3 log x C. log(x - 1) + log(x2 + 1) - 3 log x D. log 1 - 3 log 1 - 3 log x
Solve the problem.Awards are to be presented to seven people: Jeff, Karen, Lyle, Maria, Norm, Olivia, and Paul. How many different orders are possible for the awards if Maria and Olivia must be next to each other?
A. 1220 B. 1680 C. 1440 D. 720
Construct a probability model for the experiment.Tossing one fair coin three times
What will be an ideal response?