Find the exact value of the indicated trigonometric function of the angle ? in the figure. Rationalize the denominator where necessary.Find tan ?.

A.
B.
C.
D.


Answer: A

Mathematics

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Give the appropriate counting number answer to the problem.Each gallon of porch and deck paint covers 200 square feet. How many gallons are needed to cover 1321 square feet?

A. 5 B. 6 C. 7 D. 8

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Solve the problem.If a rocket is propelled upward from ground level, its height h in meters after t sec is given by h(t) = -9.8t2 + 98t. During what interval of time will the rocket be higher than 

A. 3 sec < t < 7 sec B. 0 sec < t < 7 sec C. 0 sec < t < 3 sec D. 6 sec < t < 10 sec

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Find the area. Leave your answer in terms of pi.A ring of width 4 ft surrounding a circle with radius 291 ft

A. 16? ft2 B. 84,681? ft2 C. 87,025? ft2 D. 2344? ft2

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Given that the pair of triangles is similar, find the length of the side labeled n.

A. 0.5 B. 28.8 C. 288 D. 5

Mathematics