Solve the problem.At an altitude of 3,500 ft, the engine on a small plane fails. What angle of depression is needed to reach an airport runway that is 3 miles away by land? (Round your answer to the nearest tenth of a degree.)
A. 13.5°
B. 12.5°
C. 90°
D. 89°
Answer: B
Mathematics
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Solve.8x(x - 2) - 20 = 5x(x - 4)
A. - 
, 2
B. -10, 2
C. - 
, -2
D. 
, -2
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Solve the equation using the quadratic formula.2x2 + 12x = - 7
A. 
B. 
C. 
D. 
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Perform the indicated conversion between American and metric units of length.284 miles to kilometers (Round to the nearest thousandth.)
A. 157.778 B. 176.507 C. 456.956 D. 513.756
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Determine the coordinates of the points shown. Tell in which quadrant the point lies. Assume the coordinates are integers. 
A. (1, 6); quadrant II B. (1, 3); quadrant I C. (1, 3); quadrant II D. (1, 6); quadrant I
Mathematics