The answer is 10x^4 - 2x^3
You just need to divide 13 and 2 and get 6.5.
Answer:
<h3>20.6 ft</h3>
Step-by-step explanation:
You must use the trigonometric function.
In this case, it will be tangent.

We have


Substitute:

<em>multiply both sides by 20</em>

Tree height is r + 5.
Therefore

Answer:
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