Make the following conversion in the U.S. system.5 mi2 = 
acres
A. 0.0156 acres
B. 0.0078 acres
C. 1600 acres
D. 3200 acres
Answer: D
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Solve the problem.Write an iterated triple integral in the order 
for the volume of the region in the first octant enclosed by the cylinder 
and the plane 
.
A. 
B. 
C. 
D. 
Solve the equation for the indicated variable.S = 2?rh + 2?r2; solve for h
A. h = S - r
B. h = 2?(S - r)
C. h = 
D. h = 
- 1
Translate to a system of two equations, then solve.Paul invested three times as much money in an account paying 5% interest than he did in an account paying 4% interest. If the total interest paid was $475, how much did he invest in each?
A. $7500 at 5%, $2500 at 4% B. $75 at 5%, $25 at 4% C. $7500 at 5%, $3000 at 4% D. $2500 at 5%, $7500 at 4%
Write a mixed number to represent the measurement shown.Of the 178 students at a private school, 54 are sophomores. What fraction of the students are sophomores?
A. 
B. 
C. 
D. 