Answer:
40-9x
Step-by-step explanation:
calculate 72-9x-36+4
Slope= -1y+-3x
Just look at the slope and see how many it goes down on the y and look how the x changes.

x<-3,or x>3
only A and B satisfy the given condition.
This will be half of the fraction 3/7
3/7 * 1/2 = 3/14
Your answer will be 406 hope this helps