Answer:
x=8
Step-by-step explanation:
Answer: All of them.
Step-by-step explanation:
The first two numbers have to be greater than the last one when they are added together.
A,B,C
So A and B have to be added together, and if they are a larger number combined than the C its a right triangle. Hope this helps.
You can set up an inequality to solve this. You can either do big to small -->
or small to big -->
. I'm going to be using big to small because I think it's a little easier.

Cross multiply and you will get:

Isolate x:

x = 
x = 45
The goal post is 45 feet tall. Hope this helped. Good luck. : )
Sorry for the chicken scratch
It says as x approaches negative infinity y approaches negative infinity and as x approaches positive infinity y approaches negative infinity
You do what is asked for in the parentheses then multiply by the number outside of them.