Solve the problem.From a distance of x feet to a 150-meter-high radio tower, the angle of elevation is ? degrees. Then 
Use a reciprocal identity to rewrite this formula.
A. 150 sec ?
B. 
C. 
D. 150 cot ?
Answer: D
Mathematics
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Perform the indicated operation. Simplify the answer when possible.
- 
A. 5
B. 
C. 2
D. 
Mathematics
Match the equation to its graph.y = 5x - 3
A. 
B. 
C. 
D. 
Mathematics
Convert the angle to D° M' S'' form. Round the answer to the nearest second.310.04°
A. 310°2'4'' B. 310°2'24'' C. 310°3'23'' D. 310°23'4''
Mathematics
Solve the system by using the inverse of the coefficient matrix. 3x + 5y = -10-3x - 6y = 9
A. {(-1, 5)} B. {(-5, 1)} C. {(5, -1)} D. {(1, -5)}
Mathematics