Solve the problem.How much work is done by a 160-lb woman as she walks up 14 steps, each with a 
-ft rise?
A. 560 ft ? lb
B. 1120 ft ? lb
C. 4480 ft ? lb
D. 2240 ft ? lb
Answer: B
Mathematics
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A. 
B. 
C. 
D. 
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Evaluate the expression.84
A. 64 B. 512 C. 32 D. 4096
Mathematics
Solve the equation.-[3x + (6x + 7)] = 6 - (5x + 8)
A. - 
B. 
C. - 
D. 
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Find the indicated term for the sequence.Find the 5th term of the sequence whose general term is an = 
.
A. 
B. 
C. 
D. 
Mathematics