Express as an equivalent expression without negative exponents.t7 ? t5
A. 
B. t2
C. t12
D. 
Answer: C
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Find the volume of the solid generated by revolving the region about the given axis. Use the shell or washer method.The region in the first quadrant bounded by x = 2y - y2 and the y-axis about the x-axis
A. 2?
B. 4?
C. 
?
D. 
?
Determine the area of the surface generated when the curve is revolved about the indicated axis.x = 4y3/2 - 
, for 1 ? y ? 8; about the y-axis
A. 
?
B. 
C. 
?
D. 
Solve the problem.Andrea Gilford's savings account has a balance of $3200. After 4 years, what will the amount of interest be at 12% APR compounded quarterly?
A. $1940.06 B. $1926.06 C. $192.00 D. $1935.06
Determine the size of matrix A and tell whether it is a square matrix, row matrix, column matrix, or none of these.A = 
A. 9; none of these B. 2 × 3; none of these C. 3 × 3; square matrix D. 6 × 6; square matrix