Answer:
18, -3
using the formula for midpoint M=(x1+x2)/2 ,(y1+y2)/2
Pt 1 - how much the value goes down each year
Pt 2 - how much the car was originally worth
The answer on APEX would be $2430
Your subtracting 3x from 5x: 5x-3x
This is so you only have a variable on one side
Answer:
2.5
Step-by-step explanation:
if you take 80 and 120 on the graph look at the middle you get 100 and in between 2 and 3 you get 2.5 so it would take 2.5 gallons of gas for 100 miles