Solve the problem.A force of 1100 lb compresses a spring from its natural length of 16 in. to a length of 12 in. How much work is done in compressing it from 12 in. to 9 in.?
A. 9100 in.-lb
B. 0.060 in.-lb
C. 1200 in.-lb
D. 4500 in.-lb
Answer: D
Mathematics
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A. 
B. 
C. 
D. no real numbers
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Solve for the missing values. Round money to the nearest cent, rate to the nearest tenth of a percent, and time to the nearest day.Principal: 
Interest: $434Rate: 9.4%Time: 
daysMaturity value: $4569
A. $4135; 456 days B. $4035; 418 days C. $4135; 402 days D. $4135; 368 days
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A. x4 + 4x + 16 B. x4 + 8x2 + 16 C. x4 + 4x2 + 16 D. x4 + 16
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Simplify using order of operations.(-5)3 + 4
- 8 ÷ 2
A. 141 B. -56 C. -101 D. -109
Mathematics