Answer:
0.4
Step-by-step explanation:
B.intrest fees
y=-1/2x-8
m=(y2-y1)/(x2-x1)=(-6-(-5))/(-4-(-6))=(-6+5)/(-4+6)=-1/2
slope is -1/2
y-y1=m(x-x1) where m=slope
y-(-5)=-1/2(x-(-6))
y+5=-1/2(x+6)
y=-1/2x-6/2-5
y=-1/2x-3-5
Refer to the attachment.
