Simplify the expression. Write answer with positive exponents.
A. 27
B. 1
C. 25
D. 47
Answer: A
Mathematics
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Solve the problem.Find the volume of the region bounded below by the xy-plane, laterally by the cylinder 
and above by the plane 
.
A. 
?
B. 175?
C. 
?
D. 1225?
Mathematics
Solve the problem.Subtract (20a4 - 13a3) from (-5a4 - 17a3).
A. -25a4 - 30a3 B. 15a4 - 30a3 C. -29a7 D. -25a4 - 4a3
Mathematics
Solve the problem.If a person puts 1 cent in a piggy bank on the first day, 2 cents on the second day, 3 cents on the third day, and so on, how much money will be in the bank after 60 days?
A. $9.15 B. $18.30 C. $0.60 D. $36.60
Mathematics
Find the solution of the differential equation 
, without solving it.
?
A. ?
B. ?
C. ?
D. ?
E. ?
Mathematics