15% of 56 is
0.15 * 56 is 8.4
You spent 8.4 dollars on food
Hope this helps :)
To find Y intercept
You do y2-y1/ x2-x1
Your y2 is 12, y1 is 2
Your x2 is 2 , x1 is 3
So 12-3/2-3
12-3 is 9
2-3=-1
9/-1 is -9
So your slope is -9
-6y+y2+3-4y2-7+1-4y in simplified form is -10y-3y^2-3
I'm pretty sure the answer is D bc it has the same coefficients and the same numbers