A railroad track has an angle of elevation of 7.0 o. What is the difference in height (in feet) of two points on the track 1.00 mi apart? Round your answer to the appropriate number of significant digits.
A. 651 ft
B. 665 ft
C. 664 ft
D. 648 ft
E. 669 ft
Answer: D
Mathematics
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Find all solutions of the equation in the interval [0, 2?).csc2 = 2
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Give an expression that generates all angles coterminal with the given angle. Let n represent any integer.98°
A. 98° + n ? 180° B. 98° + n ? 360° C. 98° + n ? 720° D. 98° + n ? 90°
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