

<h3>ANGLE OF ELEVATION</h3>
☞ An angle of elevation is the angle between the horizontal line of sight of the observer to the object above.
<h3>ANGLE OF DEPRESSION</h3>
☞ An angle of depression is the angle between the horizontal line of sight of the observer to the object below.

Additional Information:-
☞ brainly.com/question/9817377
☞ brainly.com/question/21137209

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0.5s + 1 = 7 + 4.5s Subtract 4.5s from both sides
-4s + 1 = 7 Subtract 1 from both sides
-4s = 6 Divide both sides by -4
s = -

Simplify
s = -
the answer is B you have to round it up to the nearest Dollar so what you do is take the 1500 and rounded up to 16