Simplify the expression. Assume that all variables are positive.
? 
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Solve the problem.A drill bit used for oil exploration removes rock from a region bounded by y = 1, y = 0.07x5 - 4, and the y-axis, where the units are feet. Find the volume the drill bit sweeps out by revolving about the y-axis.
A. 62 ft3 B. 16 ft3 C. 87 ft3 D. 11 ft3
Mathematics
A vector v has initial point P and terminal point Q. Graph 
and write 
as 
P = (9, 0), Q = (-4, 5)
A. 
B. 
C. 
D. 
Mathematics
Solve the quadratic equation by completing the square.x2 + 8x - 64 = 0
A. -4 ± 4
B. -8 ± 4
C. 4 ± 4
D. -4 ± 16
Mathematics
Use the product rule to multiply.
? 
A. 8
B. 
C. 
D. 
x
Mathematics