Answer:
The length of a side of the square would be 8.
Step-by-step explanation:
3x^2 + 21x
Is the answer without a doubt.
Answer:
always start at the origin and X go before Y
Answer:

Step-by-step explanation:
Given


Required [Missing from the question]
G(T(x))
We have:

This implies that:

Substitute: 
![G(T(x)) = 3[9(x + 6.9)]](https://tex.z-dn.net/?f=G%28T%28x%29%29%20%3D%203%5B9%28x%20%2B%206.9%29%5D)
Open bracket

Answer:
60 and 50 per hour
Step-by-step explanation: