Solve the problem.The product of two consecutive integers is 5 less than 5 times their sum. Find the integers.
A. 0, 1
B. 9, 10
C. -10, -9
D. 10, 11
Answer: B
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Solve the problem.The intensity I of light varies inversely as the square of the distance D from the source. If the intensity of illumination on a screen 5 ft from a light is 3 
find the intensity on a screen 15 ft from the light.
A. 1 
foot-candles
B. 
foot-candle
C. 2 foot-candles
D. 
foot-candle
Solve the problem.The cost for labor associated with fixing a washing machine is computed as follows: There is a fixed charge of $25 for the repairman to come to the house, to which a charge of $20 per hour is added. Find an equation that can be used to determine the labor cost, C, of a repair that takes x hours. Write the final answer in the form C = mx + b.
A. C = -20x + 25 B. C = 45x C. C = 25x + 20 D. C = 20x + 25
Solve. Give your answer as a mixed numeral.An inspector goes to a grocery store and randomly selects three bags of carrots that are labeled as 2 pound bags. Each bag is then weighted to the nearest 
of a pound. The results are given on the following graph:
Find the average weight.
A. 1
lb
B. 1
lb
C. 2
lb
D. 2
lb
Factor completely.x2 - x - 56
A. (x + 7)(x - 8) B. (x + 8)(x - 7) C. (x - 8)(x + 8) D. (x + 1)(x - 15)