Y=40x since y intercept is 0 and slope is 40
Step-by-step explanation:
Simply input 3 for x in the equation.

It's a little blurry could you try and take a more clear picture?
Sorry I can’t answer this u need do put more info
Step-by-step explanation:
-3/2×3/4
-3 3 -9
--- × --- = ---
-2 4 -8
-1 1/8 or -9/8