What are the dimensions of a closed rectangular box that has a square cross section, a capacity of 127 in.3 and is constructed using the least amount of material?
?
A. 
B. ?
C. ?
D. ?
E. ?
Answer: D
Mathematics
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Evaluate the integral. 
A. 
et ln
- 
et ln
+ C
B. 
ln
- 
ln
+ C
C. 
ln
+ 
ln
+ C
D. 
ln
- 
ln
+ C
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Solve the problem.What angle is twice its supplement?
A. 60° B. 180° C. 120° D. 90°
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Solve the problem.Find the midpoint of the line segment whose endpoints are 
, 
.
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.What is the slope (or grade) of this hill?
A. 
m
B. 
m
C. 
m
D. 15 m
Mathematics