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amd123

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## Homework Statement

Radio direction finders are set up at points A and B, 8.68 mi apart on an east-west line. From A it is found that the bearing of a signal from a transmitter is N54.3*E, while from B it is N35.7*W. Find the distance from B, to the nearest hundredth of a mile.

A person is watching a car from the top of a building. The car is traveling on straight road directly toward the building. When first noticed the angle of depression to the car is 28*30’. When the car stops, the angle of depression is 47*8’. The building is 250 feet tall. How far did the car travel from when it was first noticed until it stopped? Round your answer to the hundredths place.

## Homework Equations

All the trigonometric functions

## The Attempt at a Solution

I did these problems on a test and failed at them miserably. I'm trying them again and still can't figure them out. I've set them up and uploaded them:

[PLAIN]http://img684.imageshack.us/img684/7793/setupf.png

Any help is appreciated!

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