Write an equivalent expression using negative exponents. Then simplify, if possible.(-4)-2
A. - 
B. 16
C. 
D. -16
Answer: C
Mathematics
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Find the length of the curve.x = 
, 1 ? y ? 9
A. 
B. 20
C. 
D. 
Mathematics
Find the volume of the solid. For the cylinder, use ? ? 
.
A. 636
cu m
B. 2545
cu m
C. 254
cu m
D. 63
cu m
Mathematics
Factor.x4 + 13x2 + 40
A. (x2 + 5)(x2 - 8) B. (x2 - 5)(x2 + 8) C. (x2 - 5)(x2 - 8) D. (x2 + 5)(x2 + 8)
Mathematics
Solve the linear inequality. Other than ?, use interval notation to express the solution set and graph the solution set on a number line.
? 
+ 
A. (-?, 6]
B. [6, ?)
C. (6, ?)
D. (-?, 6)
Mathematics