Solve the problem.Bob owns a watch repair shop. He has found that the cost of operating his shop is given by 
where c is cost and x is the number of watches repaired. How many watches must he repair to have the lowest cost?
A. 73 watches
B. 36 watches
C. 34 watches
D. 40 watches
Answer: C
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Solve the problem. Round answers to the nearest dollar.Four partners have agreed to divide profits in the ratio 2:5:5:6. Find the share that each gets if the profits are $324,000.
A. $36,000 for 1 $90,000 for 2 $90,000 for 3 $108,000 for 4 B. $49,846 for 1 $124,615 for 2 $124,615 for 3 $149,538 for 4 C. $40,500 for 1 $101,250 for 2 $101,250 for 3 $121,500 for 4 D. $64,800 for 1 $162,000 for 2 $162,000 for 3 $194,400 for 4
Solve the equation. Round your answer to the nearest tenth. -10.5q + 1.2 = -109.2 - 1.3q
A. 10.6 B. 10.5 C. 12 D. -120
Find area of figure. Round to the nearest hundredth if necessary.
A. 25
cm2
B. 11 cm2
C. 22 cm2
D. 30
cm2
Use a calculator and the change-of-base formula to find the logarithm to four decimal places.log7.9 (4.9)
A. 1.3005 B. 0.7689 C. 0.6902 D. 0.6203