Determine whether the sequence is arithmetic. If the sequence is arithmetic, determine the first term a and common difference d.1, 4, 7, 10, 13, . . .
A. Arithmetic; a = 1, d = 3
B. Not arithmetic
Answer: A
Mathematics
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Solve the problem.From a point on a straight road, two cars are driven in opposite directions, one at 20 miles per hour and the other at 51 miles per hour. In how many hours will they be 284 miles apart?
A. 5 hours B. Not enough information C. 4 hours D. 3 hours
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Solve.8p = 7(3p + 2)
A. - 
B. 
C. 
D. 
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Solve the problem.Ariel, a marine biologist, models a population P of crabs, t days after being left to reproduce, with the function 
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A. 911 days B. 547 days C. 707 days D. 1512 days
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