Step-by-step explanation:
refer the above attachment
The point-slope form:

The formula of a slope:

We have the points A(-2, 6) and B(2, -2). Substitute:

What the question I will answer fast and fix your help
Answer: B
Step-by-step explanation:
the cost is $8, and it goes for 40% off, so the discount is 8*40%=3.2;
then the sale price = 8-3.2 = 4.8.