Find the exact value of the indicated trigonometric function of ?, if ? is an angle in standard position whose terminal side contains the given point.(5, -6); find cot ?.
A. 
B. - 
C. - 
D. - 
Answer: B
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Solve.An express train travels 396 miles between two cities. During the first 
of a trip, the train traveled through mountainous terrain. The train traveled 
per hour slower through mountainous terrain than through level terrain. If the total time to travel between the cities was 8 hours, find the speed of the train on level terrain.
A. 18 mph B. 36 mph C. 54 mph D. 72 mph
Convert as indicated. Express the answer in decimal form when needed.0.2 hours to seconds
A. 720 sec B. 12 sec C. 108 sec D. 400 sec
Solve the problem.A satellite dish has a parabolic cross section and is 10 ft deep. The focus is 16 ft from the vertex. Find the width of the satellite dish at the opening. Round your answer to the nearest foot.
A. 53 ft B. 55 ft C. 59 ft D. 51 ft
Perform the operation indicated.
÷ 
A. 
B. 
C. 
D. 21