Evaluate the expression.(6 + 7)-1
A. -13
B. 
C. 13
D. - 
Answer: B
Mathematics
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Write an equivalent double integral with the order of integration reversed.
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.The barometric pressure p at an altitude of h miles above sea level satisfies the differential equation 
If the pressure at sea level is 29.92 inches of mercury, find the barometric pressure at 16,000 ft.
A. 54.85 in. B. 16.32 in. C. 1.22 in. D. 8.16 in.
Mathematics
Approximate the given square root to the nearest hundredth using the guess-and-check method.
A. 66.00 B. 33.01 C. 11.00 D. 5.74
Mathematics
Solve the problem.How many ways can a president, vice-president, secretary, and treasurer be chosen from a club with 9 members?
A. 24 B. 3024 C. 36 D. 126
Mathematics