Answer:
i think it is the 3rd one i'm not sure
Step-by-step explanation:
i' not 100% sure so be carfeul
Answer:

Step-by-step explanation:
Hi there!

Expand the parentheses

I hope this helps!
Answer:
I think it's C but I could be wrong I tried it on an online graph
Answer:
8 hours
Step-by-step explanation:
First you divide 126 by 3 to get the Miles Per Hour, you should get 42 Miles Per Hour, then, just divide 336 by 42 to get the numbers of hours he will have to drive, (which is 8)