Solve the problem.A private shipping company will accept a box for domestic shipment only if the sum of its length and girth (distance around) does not exceed 120 in. What dimensions will give a box with a square end the largest possible volume?
A. 20 in. × 40 in. × 40 in.
B. 20 in. × 20 in. × 100 in.
C. 20 in. × 20 in. × 40 in.
D. 40 in. × 40 in. × 40 in.
Answer: C
Mathematics
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Add or subtract as indicated.Add.-6z4 + 8z3
A. -5z4 + 8z3 - 18z B. -6z4 + 9z3 + 18z C. -6z4 + 7z3 + 18z D. -6z4 + 9z3 - 18z
Mathematics
Complete the identity.sin x (sin 3x + sin 5x) = ?
A. 
cos x (cos 3x - cos 5x)
B. 
cos x (cos 3x + cos 5x)
C. cos x (cos 3x - cos 5x)
D. cos x (cos 3x + cos 5x)
Mathematics
Round to the indicated place value.Round to the nearest one: 3,999.82
A. 3,999 B. 3,999.8 C. 4,000
Mathematics
Perform the indicated operation. Simplify, if possible.
+ 
A. 
B. 
C. 
D. 
Mathematics