Simplify the expression. Write the result without using negative exponents. (Assume all variables represent nonzero real numbers.)
A. 
B. p2
C. 
D. p8
Answer: D
Mathematics
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Find the sample standard deviation.280, 118, 223, 209, 107, 208, 214, 203, 186
A. 2,505.3 B. 53.1 C. 2,818.4 D. 50.1
Mathematics
Fill in the blank with one of the choices listed below. Some choices may be used more than once. 
The 
of a list of numbers of items is 
.
A. mode B. numerator C. median D. mean
Mathematics
The measure of one angle is shown in the figure. Given p
q, find the measures of the other seven labeled angles.
A. m?2 = m?4 = m?8 = 116°; m?1 = m?3 = m?5 = m?7 = 26° B. m?5 = m?7 = m?8 = 116°; m?1 = m?2 = m?3 = m?4 = 64° C. m?2 = m?4 = m?8 = 116°; m?1 = m?3 = m?5 = m?7 = 74° D. m?2 = m?4 = m?8 = 116°; m?1 = m?3 = m?5 = m?7 = 64°
Mathematics
Simplify the radical. Assume that all variables represent positive numbers.
A. 8
B. 8y2
C. 8
D. 8y
Mathematics