Simplify. Assume that each variable is nonnegative.
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Rationalize the numerator of the fraction.
A. 
B. 
C. 
D. 
Mathematics
Evaluate the double integral over the given region.
R = {(x, y): 0 ? x ? 1, 0 ? y ? 3}
A. 
ln 2
B. ln 2 ln 4
C. ln 8
D. 4 ln 2
Mathematics
Solve the problem.If an item has an original price of $467 and the discount rate is 25%, find the discount.
A. $116.75 B. $112.08 C. $121.42 D. $58.38
Mathematics
Add or subtract as indicated.
+ 
A. 
B. 
C. 
D. 
Mathematics