Multiply, simplifying the answer completely.
? 
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Change the decimals to their fraction or mixed-number equivalents, and reduce answers to lowest terms.0.5
A. 
B. 
C. 
D. 
Mathematics
Factor the trinomials that are perfect-square trinomials. If it is not a perfect square, respond "not a perfect square."b2 - 28b + 196
A. (b + 14)(b - 14) B. (b - 14)2 C. (b + 14)2 D. not a perfect square
Mathematics
Find the exact value of the indicated trigonometric function of ?.cos ? = 
, tan ? < 0Find sin ?.
A. -
B. - 
C. - 
D. - 
Mathematics
Provide an appropriate response.The graph of a quadratic function 
is shown in the standard viewing window, without x-axis tick marks. Which one of the following sets could possibly be the solution set for f(x) = 0?
A. {-2, -4} B. {-4, 2} C. {-2, 4} D. {2, 4}
Mathematics