Solve the problem.A trough is to be made with an end of the dimensions shown. The length of the trough is to be 
long. Only the angle ? can be varied. What value of ? will maximize the trough's volume?
A. 14°
B. 30°
C. 32°
D. 46°
Answer: B
Mathematics
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Solve the problem.The retail cost of a computer is 32% more than its wholesale cost. Determine which of the statement's below is true.
A. The wholesale cost of the computer is 68% of the retail price. B. The retail cost of the computer is 132% more than the wholesale price. C. The retail cost of the computer is 32% of the wholesale price. D. The retail cost of the computer is 132% of the wholesale price.
Mathematics
Find the exact value of the sum.cos 
+ cos 
A. 
B. 
C. 
D. 
Mathematics
Perform the indicated operations. Reduce answers to lowest terms and write any improper fractions as whole or mixed numbers.
+ 
A. 
B. 
C. 
D. 
Mathematics
Find the difference.
- 
A. 
B. - 
C. - 
D. - 
Mathematics