Solve the problem.Solve the formula S = 
?r2h + 4?rh for r.
A. r = 
B. r = 
C. r = 
D. r = 
Answer: A
Mathematics
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?A point is moving along the graph of the function 
such that 
centimeters per second.Find 
for the given values of x.
?
?
A. ?
B. ?
C. ?
D. ?
E. ?
Mathematics
Multiply.
A. 
y2 + 
y - 100
B. 
y2 - 100
C. 
y2 - 20
D. 
y2 - 
y - 100
Mathematics
Add or subtract.
+ 
A. 
B. 
C. 
D. 
Mathematics
Perform the indicated operation using the standard form.
?
?
A. 
B. 
C. ?
D. ?
E. ?
Mathematics