Solve the problem.The amount of water used to take a shower is directly proportional to the amount of time that the shower is in use. A shower lasting 18 minutes requires 9 gallons of water. Find the amount of water used in a shower lasting 5 minutes.
A. 1.8 gal
B. 10 gal
C. 32.4 gal
D. 2.5 gal
Answer: D
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Solve the problem.Tom Quig traveled 240 miles east of St. Louis. For most of the trip he averaged 60 mph, but for one period of time he was slowed to 20 mph due to a major accident. If the total time of travel was 6 hours, how many miles did he drive at the reduced speed?
A. 70 miles B. 60 miles C. 55 miles D. 80 miles
Write the logarithmic equation as an exponential equation.log(10,000) = 4
A. 101/4 = 10,000 B. 1010,000 = 4 C. 104 = 10,000 D. 1040 = 10,000
Find the probability.One card is selected from a deck of cards. Find the probability that the card selected is greater than 2 and less than 7.
A. 
B. 
C. 
D. 
Provide an appropriate response.Identify three common factors of 5x2 + 10x.
A. 5, 10, x B. 5, 5x, 10x C. 5, x, x2 D. 5, x, 5x