Solve the problem.The chairlift at a ski resort has a vertical rise of 2500 feet. If the length of the ride is 1.3 miles, what is the average angle of inclination of the lift (to the nearest tenth of a degree)?

A. 21.4°
B. 15.4°
C. 24.4°
D. 18.4°

Answer: A

Mathematics

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A. ?
B. ?
C. ?
D. ?
E. ?

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Solve the problem.Given the area A of a circle, the formula r =   can be used to calculate the radius of the circle. Find the area when the radius is 9.4 cm.

A. A = 88.36 ?2  sq cm B. A = 88.36? sq cm C. A = 90.63? sq cm D. A = 88.36 sq cm

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Round the decimal to the given place value.6.8869  (nearest hundredth)

A. 6.79 B. 6.99 C. 6.89

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Find the reference angle . ? ?

A.

?


B.
C.
D.
E.

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