Use the properties of exponents to simplify the expression. Write with positive exponents.(-4p2/7 - 5p3/7)(-4p2/7 - 5p3/7)
A. 16p4/7 + 40p5/7 + 25p6/7
B. 16p4/7 + 20p5/7 + 25p6/7
C. 16p4/49 + 5p
D. -8p4/7 + 20p-10/7 - 10p6/7
Answer: A
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Solve the problem. Round your answer, if appropriate.The radius of a right circular cylinder is increasing at the rate of 
, while the height is decreasing at the rate of 
. At what rate is the volume of the cylinder changing when the radius is 12 in. and the height is 18 in.?
A. -504? in.3/sec B. -504 in.3/sec C. -12 in.3/sec D. 144? in.3/sec
Evaluate the cylindrical coordinate integral.
A. 12? B. 6? C. 108? D. 54?
A computer password is made up of four characters. Each character can be a capital letter (A through Z), a lowercase letter (a through z) or a digit (0 through 9).How many passwords do not start with the digit 0?
A. 624 - 1 B. 61 × 623 C. 614 D. 623 E. none of these
Compute and simplify the difference quotient 
, h ? 0.f(x) = 4x - 15
A. 15
B. -15h
C. 4
D. 