Complete.70 km/h =  mph (Round to the nearest thousandth.)

A. 112.630
B. 43.470
C. 50.470
D. 105.630


Answer: B

Mathematics

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Represent the radical as a radical with a smaller root index. Assume any variables represent nonnegative values.

A.
B.
C.
D.

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Solve the problem.Find the area A and circumference C of a circle of diameter 22 mi. Use 3.14 for ?. Round the result to the nearest tenth.

A. A = 62.8 ft2; C = 15.7 ft B. A = 31.4 ft2; C = 31.4 ft C. A = 314 ft2; C = 15.7 ft D. A = 78.5 ft2; C = 31.4 ft

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Use a calculator to find the logarithm. Give an approximation to four decimal places.ln 0.982

A. 0.0079 B. -0.0079 C. -0.0182 D. 0.0182

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Solve the problem.If an investment of P dollars grows to A dollars in two years, the annual rate of return on the investment is given by Jared Spencer bought a collector's coin set for $860 and sold it two years later for $1259. What was the approximate annual rate of return of his investment? Round to the nearest tenth of a percent.

A. 16% B. 6.8% C. 21% D. 23.2%

Mathematics