Answer:

Step-by-step explanation:
We can form a right triangle and use basic trig for a right triangle to solve this problem:
, where
is the height of the tree.
Solving, we get:
.
Answer:
second one
Step-by-step explanation:
f(3)=g(3)=6
1, the closest point of x = -3 is (-3,-6), which is one unit away from (-2,-6).
Generally speaking, the number of solutions to an algebraic equation is equal to the exponent of the highest power. so the answer is b.4
No. It would be negative 5.