Solve the problem.At a manufacturing plant, the total cost (in dollars) to produce x items isC(x) = 4.38x + 40,000.What is the average cost per item?
A. $40,004.38
B. 
+ $4.38
C. $40,000
D. $4.38
Answer: B
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Find the sum of the series.
A. 33 B. 24 C. 34 D. 10
The following chart shows some figures from an income statement. Prepare a vertical analysis by expressing each item as a percent of net sales. Round percents to the nearest tenth of a percent. 
A. 65.5%, 11.3%, 49.2%, 15.5% B. 65.5%, 11.3%, 5.6%, 15.5% C. 65.5%, 11.5%, 8.5%, 23.6% D. 65.5%, 17.2%, 8.5%, 23.6%
The Acme Class Ring Company designs and sells two types of rings: the VIP and the SST. They can produce up to 24 rings each day using up to 60 total man-hours of labor. It takes 3 man-hours to make one VIP ring, versus 2 man-hours to make one SST ring.How many of each type of ring should be made daily to maximize the company's profit, if the profit on a VIP ring is $50 and on an SST ring is $10?
A. 24 VIP and 4 SST B. 20 VIP and 0 SST C. 24 VIP and 0 SST D. 20 VIP and 4 SST
Find a polar equation for the conic. A focus is at the pole.e = 1; directrix is parallel to the polar axis 3 above the pole
A. r = 
B. r = 
C. r = 
D. r = 