Answer the question.What values of n will make xn a perfect square?
A. n must be a power of 3.
B. n must be a multiple of 5.
C. n must be odd.
D. n must be even.
Answer: D
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?Which of the following are not divisible by 9? ?
A. ?81 B. ?534,924 C. ?6,516 D. ?33,321 E. ?None of the above.
Find the exact value of the expression.cos 35° cos 25° - sin 35° sin 25°
A. 
B. 
C. 
D. 
Solve the problem.Write the percent as a decimal: 80%
A. 0.8 B. 0.69 C. 8 D. 0.08
Graph the function, showing all asymptotes (those that do not correspond to an axis) as dashed lines. List the x- and y-intercepts.f(x) = 
A. x-intercepts: (-2, 0), (0, 0), and (1, 0)
y-intercept: (0, 0)
B. x-intercepts: (-2, 0) and (1, 0)
y-intercept: 
C. x-intercepts: (-2, 0), (0, 0), and (1, 0)
y-intercept: (0, 0)
D. x-intercepts: (-2, 0), (0, 0), and (1, 0)
y-intercept: (0, 0)