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The slope formula:
m - a slopeb - y-intercept
We have:
and point 
Substitute:
Answer: A.
m - a slopeb - y-intercept
We have:
Substitute:
Answer: A.
Answer:
h ≈ 66.4 ft
Step-by-step explanation:
The situation can be modelled by a right triangle with h representing the height of the tree.
Using the tangent ratio in the right triangle
tan39° = =
( multiply both sides by 82 )
82 × tan39° = h , then
h ≈ 66.4 ft ( to the nearest tenth )