Answer:
Line A equation = y=-9/8x+69/4
Line B equation = y=-10/9x+131/9
Step-by-step explanation:
You can do 15-5=10 and then you have 3 left to subtract. Which means 10-3=7
About 3.7 inches. Look at the 12 on the x axis because that is one year and see where it hits the line