Simplify.
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Solve the problem.Find the center of mass of the hemisphere 
if the density is proportional to the distance from the center.
A. 
B. 
C. 
D. 
Mathematics
Give the appropriate form of the partial fraction decomposition.
A. 
+ 
B. 
+ 
C. 
+ 
D. 
+ 
Mathematics
Use the formula for 
to evaluate the expression.
A. 24 B. 6 C. 0.5 D. 1
Mathematics
Multiply and simplify.(-3
)(2
)
A. 18y2
B. -18y
C. 30y
D. -30y
Mathematics