Simplify.
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Use a calculator to evaluate the expression. (If necessary, round your answer to three decimal places.)
?
?
?
A. 70 B. 71 C. 72 D. 74 E. 73
Mathematics
Write the percent as a decimal.70%
A. 0.7 B. 0.59 C. 0.07 D. 7
Mathematics
Find the nth term an of the geometric sequence.-4, -8, -16, -32, -64, . . .
A. an = (-4)(2)n-1 B. an = a1 + 2n C. an = (-4)(2)n D. an = (-4)(2n)
Mathematics
Identify the graph of the pair of parametric equations.x = -2 cos t, y = 2 sin t
A. Circle B. Ellipse C. Parabola D. Line
Mathematics