Answer:
-2
Step-by-step explanation:
The equation of the line is written in y=mx+c form, where m is the gradient and c is the y-intercept.
In this case, your m is a -2 and your c is a -3.
Hence the gradient of the line is -2.
4, 8, 12, 16 I can’t see your table but I think these are the answers. :)
1st answer - he'd pay $751
2nd answer -
-10 and -1 multiply to get 10 and add to get -11