Answer:
$520.83
Step-by-step explanation:
1. y=5/2x+4
2. y=-7x-3
Y=mx+b is slope intercept form
You have to add it in the slope intercept formula
2. M=-7 and B=-3
so y=-7x-3
M = 5/2 B = 4
So y = 5/2x+4