Find the sum of the series.
A. 
B. 
C. 
D. 
Answer: A
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Use the distributive property to write the expression without parentheses. Then simplify if possible.7(7y + 5) - 7(5y + 3)
A. 14y + 3 B. 14y + 14 C. -56y D. -2y - 4
Write the expression as the sine, cosine, or tangent of a double angle. Then find the exact value of the expression.cos2 22.5° - sin2 22.5°
A. 
B. - 
C. - 
D. 
Answer the question.The function f(x) = 60x computes the number of minutes in x hours. The function g(x) = 24x computes the number of hours in x days. What is (f ? g)(x) and what does it compute?
A. (f ? g)(x) = 1440x2; it computes the number of minutes in x days. B. (f ? g)(x) = 84x; it computes the number of minutes plus the number of days in x days. C. (f ? g)(x) = 1440x; it computes the number of minutes in x days. D. (f ? g)(x) = 1440x; it computes the number of days in x minutes.
Factor the polynomial by grouping.24x2 + 30x - 20x - 25
A. (24x - 5)(x + 5) B. (24x + 5)(x - 5) C. (6x + 5)(4x - 5) D. (6x - 5)(4x + 5)