1) slope=3 and y-int.=-5
2) slope=2 and y-int.=-6
3) slope=-6 and y-int.=1/2
4) slope=-7 and y-int.=5/2
5) slope=1/2 and y-int.=7
6) slope=3/4 and y-int.=8
7) slope=-2/3 and y-int.=-1/3
8) slope=-1/8 and y-int.=-3/8
9) slope=2/3 and y-int.=5
10) slope=-2/7 and y-int.=-1
11) slope=-3 and y-int.=6
12) slope=4 and y-int.=7
Hope this helps!
Answer:
17
Step-by-step explanation:
We can use this formula:
where x and y indicate the coordinates of the two points

The answer is 42 mpg, all you need to do is divide 126/3 or 210/5 and they both equal 42.
3.2 + 3.2 = 6.4
6.4 x 52 = 332. 8
Hope it helps!