Answer:
answer in explanation
Step-by-step explanation:
1) y=4x-7
2) y=-2x
3) -4
4) -5
You will need 6 tennis balls a
To find the average: the sum of the values/number of values
=250+310+275+195/4
=257.5
There are 9 seniors.
Although there are several ways of solving this problem, I just did what was easiest for me in my head. I divided 36 by 4, which gave me 9.