Answer the given question by setting up and solving the appropriate proportion. If necessary, round the answer to two decimal places.One computer line printer can print 800 lines/min, and a second can print 2000 lines/min. If they print a total of 4200 lines while printing together, how many lines does each print?
A. 1100 lines, 3100 lines
B. 1400 lines, 2800 lines
C. 1200 lines, 3000 lines
D. 1000 lines, 3200 lines
Answer: C
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Match the given equation with one of the graphs.
- 
= 1
A. 
B. 
C. 
D. 
Find A-1 without a calculator.A = 
A. A-1 = 
B. A-1 = 
C. A-1 = 
Solve the problem.The MetroCity tractor company is planning to produce a new tractor. For the first year, the fixed costs for setting up production are $400,000. The variable costs for producing each tractor are $15,000. The revenue for each tractor is $32,000. Find the total cost C(x) of producing x tractors.
A. C(x) = 15,000x B. C(x) = 400,000x + 15,000x C. C(x) = 32,000x + 400,000 D. C(x) = 400,000 + 15,000x
Solve the polynomial equation.(x + 6)(x + 1) = 66
A. {-12, 5} B. {1, 6} C. {-5, 12} D. {-6, -1}