Find the area or volume.Find the volume of the solid generated by revolving the region under the curve 
in the first quadrant about the y-axis.
A. 64?
B. 8?3
C. 8?
D. 4?
Answer: C
Mathematics
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Solve the problem. Assume that simple interest is being calculated in each case. Round the answer to the nearest cent unless otherwise indicated.Martin takes out a simple interest loan at 2 %. After 2 months the amount of interest on the loan is $4.29. What was the amount of the loan? Round to the nearest dollar.
A. $1249 B. $1468 C. $13 D. $1288
Mathematics
Matrix A is given. Find appropriate identity matrices Im and In such that ImA = A and AIn = A.A = 
A. Im = 
, In = 
B. Im = 
, In = 
C. Im = 
, In = 
D. Im = 
, In = 
Mathematics
Solve the problem.If 5 newborn babies are randomly selected, how many different gender sequences are possible?
A. 25 B. 32 C. 120 D. 10
Mathematics
Write as a percent.0.44
A. 4.4% B. 440% C. 0.044% D. 44%
Mathematics