Solve the equation. Use the change of base formula to approximate an exact answer to the nearest hundredth when appropriate.2x = 128
A. x = log2128
B. x = 64
C. x = log 128
D. x = log 64
Answer: A
Mathematics
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Refer to the double-bar graph below which shows the number of male (M) and female (F) athletes at a university over a four-year period. Solve the problem. 
YEARHow many more male athletes than female athletes were there in 1989?
A. 100 B. 150 C. 0 D. 50
Mathematics
Find the indicated term for the arithmetic sequence with first term, a1, and common difference, d.Find a8, when a1 = -4, d = 4.
A. -36 B. 28 C. -32 D. 24
Mathematics
Select the smaller of the two given numbers.-170, 2
A. -170 B. 2
Mathematics
Multiply mentally.
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A. 
B. 
C. 
D. 
E. 
Mathematics