Complete the identity.The expression 
? csc ?is to be the left hand side of an equation that is an identity. Which one of the following four expressions can be used as the right hand side of the equation to complete the identity?
A. csc ? - tan ?
B. tan2?
C. cos ? - 1
D. sec ? + cos ?
Answer: A
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Find the mean.Frank's Furniture employees earned the following amounts last week: $246.87 $258.97 $171.77 $471.95 $394.87 $359.81 $376.58 $472.87 $509.01What was the mean amount earned by an employee last week? Round your answer to the nearest cent.
A. $466.10 B. $355.86 C. $362.52 D. $407.84
Answer the question about the given function.Given the function f(x) = 4x2 + 8x + 8, if x = -1, what is f(x)? What point is on the graph of f?
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Factor using the ac-method.9y4 - 6y2 - 8
A. (3y - 2)(3y + 4) B. (3y2 - 4)(3y2 + 2) C. (3y2 + 1)(3y2 - 8) D. (9y2 - 4)(y2 + 2)
Write the rational expression in lowest terms.
A. 6k2 B. 2k C. 6 D. 2k2