Solve the problem.The graph shows the amount of money, y, a plumber charges for x hours of work. What is the fixed cost to hire the mechanic?
A. $40
B. $25
C. $70
D. $35
Answer: A
Mathematics
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Solve the problem.Bill kept track of the number of hours he spent exercising each week. The results for four months are shown below. Find the average number of hours Bill spent exercising per week. Round your answer to two decimal places. 
A. 8.70 B. 8.22 C. 7.78 D. 8.45
Mathematics
Perform the division.
A. x2 + 3
B. x2 + 3 + 
C. x2 + 3x + 1
D. x2 + 3 + 
Mathematics
Estimate the sum or difference by first rounding as indicated.Estimate by first rounding to the nearest thousand.678556828767
A. 26,500 B. 26,400 C. 27,000 D. 26,000
Mathematics
Complete.216 hr = days
A. 108 B. 9 C. 72 D. 63
Mathematics