Solve the formula for the indicated variable.S = 2?rh + 2?r2 for h
A. h = S - r
B. h = 
- 1
C. h = 2?(S - r)
D. h = 
Answer: D
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Solve the problem.In a recent survey, 
of those surveyed said pizza is their favorite food, while 
said pasta was their favorite. What fraction selected a food other than these two as their favorite food?
A. 
chose other
B. 
chose other
C. 
chose other
D. 
chose other
Solve the problem.After a 16% price reduction, a boat sold for $27,720. What was the boat's price before the reduction? (Round to the nearest cent, if necessary.)
A. $173,250.00 B. $4435.20 C. $33,000 D. $32,155.20
Add or subtract as indicated. Write the answer in simplest form.
+ 
A. 
B. 
C. 
D. 
Simplify the expression. Express the answer so that all exponents are positive. Whenever an exponent is 0 or negative, we assume that the base is not 0.
-2
A. 
B. 
C. 
D. 