Solve the problem.Suppose that the dollar cost of producing x radios is 
Find the average cost per radio of producing the first 40 radios.
A. $280.00
B. $7.00
C. $80.00
D. $230.00
Answer: B
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Use a graphing calculator to solve the system of equations. Round your solutions to one decimal place.2.7x - 1.5y + 3.6z = -0.43.3x - 7.0y - 1.4z = -5.02.4x - 2.9y + 4.2z = -3.7
A. (7.0, 6.7, -2.9) B. (1.7, 1.7, -0.7) C. (3.5, 3.4, -1.4) D. (13.9, 13.4, -5.7)
Multiply and simplify.
? 
A. 2
B. 2
C. 
D. 
A man is flying in a hot-air balloon in a straight line at a constant rate of 4 feet per second, while keeping it at a constant altitude. As he approaches the parking lot of a market, he notices that the angle of depression from his balloon to a friend's car in the parking lot is 35°. A minute and a half later, after flying directly over this friend's car, he looks back to see his friend getting into the car and observes the angle of depression to be 36°. At that time, what is the distance between him and his friend? (Give your answer to the nearest foot.) ?
A. 214 ft B. 221 ft C. 219 ft D. 218 ft E. 216 ft
Find the percent using a proportion. Round your answer to the nearest tenth if necessary.What percent of 46 rabbits is 705 rabbits?
A. 1532.6% B. 153.3% C. 0.7% D. 0.1%