Step-by-step explanation:
On the first question, you would want to put the equation together. To find x you will put 2x+6=40. Subtract 6 on both sides and you will find your x value.
Answer:
It is the last one 6a-4b+11
Explanation:
Hope this helps if u need clarification plz ask:)
Part A: 15MPH
Part B: 22.5MP
I could provide an explanation if needed.
(a brainliest would be appreciated)