Solve the problem.A twin-engined aircraft can fly 1330 miles from city A to city B in 5 hours with the wind and make the return trip in 7 hours against the wind. What is the speed of the wind?

A. 76 mph
B. 38 mph
C. 19 mph
D. 57 mph


Answer: B

Mathematics

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State which type of average, the mean, median, or mode, would be most appropriate in the situation described. Explain your thinking.Before a mayoral election, a pollster tries to predict which candidate will win the most votes. Which average does the pollster need to know?

What will be an ideal response?

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Solve by extracting square roots.(x + 6)2 = 5

A. {6 ±  i}
B. {-6 ± }
C. {6 ± }
D. {-6 ±  i}

Mathematics

Verify the identity. -   = - cos ? cot ?

What will be an ideal response?

Mathematics

Use a calculator to find the function value to four decimal places.tan 22.11°

A. 0.1386 B. 1.2850 C. 0.9265 D. 0.4063

Mathematics