Solve the problem.From a point on a river, two boats are driven in opposite directions, one at 6 miles per hour and the other at 7 miles per hour. In how many hours will they be 39 miles apart?
A. 3 hours
B. 4 hours
C. 1 hour
D. 5 hours
Answer: A
Mathematics
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A. 
B. 
C. 
D. 
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Solve.(x + 3)3/2 = 27
A. x = 9 B. x = 14 C. x = 12 D. x = 6
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Write the number in scientific notation.0.000286
A. 2.86 × 104 B. 2.86 × 10-5 C. 2.86 × 10-4 D. 2.86 × 10-3
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Find the average of the numbers.Find the average of the list of Fahrenheit temperatures. -12°, 7°, -3°, 2°, 9°, -4°, and -13°F
A. -3°F B. -1°F C. -2°F D. 1°F
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