Solve the problem.The speed of a stream is 6 mph. If a boat travels 70 miles downstream in the same time that it takes to travel 35 miles upstream, what is the speed of the boat in still water?

A. 21 mph
B. 20 mph
C. 12 mph
D. 18 mph


Answer: D

Mathematics

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Change the order of integration and evaluate the integral.

A. 93?
B. 93?
C. ?
D. ?

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Graph the inverse of the function plotted, on the same set of axes. Use a dashed curve for the inverse.

A.

B.

C.

D.

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Answer the question about the given function.Given the function f(x) = -7x2 + 14x - 6, is the point (1, 1) on the graph of f?

A. Yes B. No

Mathematics

Find the payment necessary to amortize the loan.$10,000; 12% compounded monthly;  payments

A. $263.53 B. $263.34 C. $1205.23 D. $259.15

Mathematics