Answer:
D
Step-by-step explanation:
You have to rearange the equation, so:
-4x+y=-4
y=4x-4
Following the formula for a line of y=mx+c.
I don't remember but I believe it's vertical
160+100+180+60=500
180/500=0.36=36%
50x36%=18
That's your answer lovely~
Can you restate the question