Solve the problem.A person is watching a boat from the top of a lighthouse. The boat is approaching the lighthouse directly. When first noticed the angle of depression to the boat is 16° 23'. When the boat stops, the angle of depression is 49° 29' . The lighthouse is 200 feet tall. How far did the boat travel from when it was first noticed until it stopped? Round your answer to the hundredths place.
A. 531.86 ft
B. 554.56 ft
C. 494.06 ft
D. 509.36ft
Answer: D
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A. rb = s B. br = s C. bs = r D. rs = b
Find the area of the SAS triangle ABC. If necessary, round the answer to two decimal places.A = 30°, b = 10 yd, c = 9 yd
A. 38.97 sq yd B. 40.97 sq yd C. 20.5 sq yd D. 22.5 sq yd
Find the slope of the line that goes through the given points.(-9, 5), (8, -2)
A. - 3
B. 
C. - 
D. - 
Even with most of the problem missing, it is possible to tell whether a suggested answer is reasonable. Determine whether the answer given is reasonable. If it is unreasonable, move the decimal point or insert a decimal point to make the answer reasonable.How long did it take her to walk a mile? 1.6 minutes
A. Unreasonable, should be 16 minutes B. Reasonable C. Unreasonable, should be 1600 minutes D. Unreasonable, should be 160 minutes