Please insert your equation number
Wait what's the question tho?
is it if this point is on the line?
cause it's not
-y=mx+b
3=-6(6)-3
-3=-36-3
-3 does not equal -39
hence, point is not on the line
About 667 miles, by using the Pythagorean Theorem a^2 plus b^2 = c^2 the c in this equation if the distance so once u find it you end up with 667 miles