Question

WILL FAN AND MEDAL need help with five 8th grade math questions attaching below

Answer 1

@iGreen

Answer 2

@Directrix

Answer 3

You can go to this site and enter the points to get the equations of the two lines.
Cool site: http://www.webmath.com/equline1.html

Answer 4

Then, go over to the "wolf," enter the equations, and look at the graphs to determine the answer.

http://www.wolframalpha.com/input/?i=y+%3D+%28-1%2F2%29*x+%2B+6%2C+y+%3D+x+-+3

Answer 5

How many solutions? @mathcouldbefun