Solve the problem.The weight of a person on or above the surface of the earth varies inversely as the square of the distance the person is from the center of the earth. If a person weighs 180 pounds on the surface of the earth and the radius of the earth is 3900 miles, what will the person weigh if he or she is 500 miles above the earth's surface? Round your answer to the nearest tenth of a pound.
A. 141.42 lb
B. 142.82 lb
C. 141.82 lb
D. 140.92 lb
Answer: A
Mathematics
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Use the root test to determine if the series converges or diverges.
A. Converges B. Diverges
Mathematics
Multiply. Express the answer as a single polynomial in standard form.(x + 7)(9x2 + 8x + 4)
A. 9x3 + 63x2 + 56x + 28 B. 72x3 + 64x2 + 32x C. 9x3 + 71x2 + 60x + 28 D. 504x4 + 9x3 + 224x2 + 28
Mathematics
Solve.On an expressway off-ramp, the road slopes downward five feet per 111 feet. Using a signed number, find the rate at which the road drops per foot.
A. - 
ft per foot
B. - 
ft per foot
C. - 
ft per foot
D. - 5 ft per foot
Mathematics
Determine whether the power function is even, odd, or neither.f(x) = 
x-5
A. Neither B. Even C. Odd
Mathematics