Answer:
15
Step-by-step explanation:
Plug in 3 as x:
3x + 6
3(3) + 6
9 + 6
= 15
So, the simplified expression if x = 3 is 15
1. The average yards gained per play was 10.56
2. The total amount of yards recorded was 450.8 yards
I think this is
4+3 = 7.
.. :))
I think its 36, i'm not sure.