Answer:
b
Step-by-step explanation:
second option 400/3
Answer:

Step-by-step explanation:

5) all you have to do is calculate which would be 2.9166...
6) 65.898
Answer:
x=6
Step-by-step explanation:
First, add x to each side.
72=-2x+84
Subtract 84 from each side
-12=-2x
Dive each side by -2
6=x