Solve the equation by factoring.3x2 + 12x - 15 = 0
A. {- 1, - 5}
B. {1, - 5}
C. {1, 5}
D. {- 1, 5}
Answer: B
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Solve the problem.Tom and Larry are food inspectors at a cookie making company. Tom tests every 20th batch of dough for fat percentage. Larry tests every 28th batch of dough for carbohydrate percentage. If they both start working at the same time, which batch will be the first that they both test?
A. 35 B. 70 C. 140 D. 280
Determine whether the ordered pair is a solution to the inequality.x + 2y < -6: (6, -5)
A. Yes B. No
Convert the length as indicated. Round the answer to two decimal places.1400 meters to miles (meters ?kilometers ? miles)
A. 2.26 mi B. 1.15 mi C. 0.87 mi D. 868000 mi
Solve the problem.Assume that the sales of a certain appliance dealer are approximated by a linear function. Suppose that sales were $8500 in 1982 and $88,000 in 1987. Let 
represent 1982. Find the equation giving yearly sales 
.
A. S(x) = 79,500x + 88,000 B. S(x) = 79,500x + 8500 C. S(x) = 15,900x + 88,000 D. S(x) = 15,900x + 8500