Solve the problem.The time it takes to complete a certain job varies inversely as the number of people working on that job. If it takes 36 hours for 7 carpenters to frame a house, then how long will it take 63 carpenters to do the same job?
A. 4.0 hr
B. 40 hr
C. 63 hr
D. 12.3 hr
Answer: A
Mathematics
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Evaluate the expression.71
A. 7
B. 1
C. -7
D. 
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Provide an appropriate response.Al received a promotion at work. His salary was $39,500. His new salary was $59,000. Al's salary increase was $19,500.
A. True B. False
Mathematics
Arrange in increasing order.
, 
, 
A. 
, 
, 
B. 
, 
, 
C. 
, 
, 
D. 
, 
, 
Mathematics
Provide an appropriate response.According to the rules for order of operations, the first steps in evaluating the expression 
for 
are to substitute 2 for x and then .
A. subtract 5 from 51 B. subtract 51 from 5 C. find the cube of 2 D. multiply 5 by 2
Mathematics