Answer:

Step-by-step explanation:


if 
answer:
slope is -2/3
y2-y1/x2-x1
so the first y and the second y and subtract those
thn subtract the second x frm the first x
then divide the two numbers
The answer is 0 there is no change they are still the same
8-18+18a= - 10+18a
18a= 10
a=10/18=5/9
I think is the right ans.. Hope it helps