Can ya me i can give ya 20 points : )

Pretty much all you are doing is completing the problem with the help of a model so first, you are going to multiply 800*8 which equals 6400 then since you already have the existing number 560 so 6400-560=5840 then to fill in the values you do what times 8 equals 5840 since it is not completely possible you put whatever is left in the remainder box.
I'm not absolutely sure this is correct but this is how we did it when I was in elementary school.
ps. You can check if you have the right final answer afterward online or with a calculator

There is no graph but what i can say is that 1 is the slope and that -2 is the y- intercept