Solve.A boat moves at a rate of 91 mph in still water. It travels 300 miles upstream in the same time that it takes to travel 350 miles downstream. What is the speed of the current?
A. 1 mph
B. 5 mph
C. 6 mph
D. 7 mph
Answer: D
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Solve the problem.How many different sequences of 4 digits are possible if the first digit must be 3, 4, or 5 and if the sequence may not end in 000? Repetition of digits is allowed.
A. 2,000 B. 1,512 C. 2,997 D. 2,999
Find the area enclosed by the given curves.Find the area of the region in the first quadrant bounded by the line y = 8x, the line x = 1, the curve 
and the x-axis.
A. 
B. 6
C. 
D. 
Solve the problem.Joshua David strings tennis racquets. He is paid $1.50 for each racquet and he is charged $0.75 per rejection. Find his gross earnings for the following work days.
?
A. $552.00 B. $530.25 C. $531.75 D. $524.25
Solve the inequality. Graph the solution set and write it in interval notation.-2(4x - 6) < -10x + 16
A. (2, ?)
B. (-?, 2]
C. (-?, 2)
D. [2, ?)