A canoeist rows downstream in 0.5 hours and back upstream in 4 hours. What is the rate of the current if the distance rowed is 4 miles in each direction?
?

A. 4.5 mph
B. 3.5 mph
C. 4 mph
D. 2 mph
E. 7 mph


Answer: B

Mathematics

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Evaluate the integral.

A. ?2
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In the problem, t is a real number and P = (x, y) is the point on the unit circle that corresponds to t. Find the exact value of the indicated trigonometric function of t.()Find sin t.

A.
B.
C.
D.

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A. 4.32% B. 2.67% C. 4.26% D. 2.74%

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Solve. Write a mixed numeral for the answer.A worker has readings that take 2 minutes each to read and record. How many readings can be completed in 168 minutes?

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