Answer:
6
Step-by-step explanation:
The line y=7 is a horizontal line with a slope of 0.
Slope intercept form of
y=mx+b
would be
y-y1=m(x-x1)
m=0 and point of (-1,-10)
y-(-10)=0
y=-10
4% =.04
20*.04= 0.8
The sales tax is 80 cents.
I hope this helps!
~kaikers
