Look at this graph. What is the equation of the line in slope-intercept form? Write your answer using integers, proper fractions, and improper fractions in simplest form.​ The formula is: y=mx+b

Arestaurant offers delivery for their pizzas. the total cost the customer pays is the price of the pizzas, plus a delivery fee. one customer pays $23 to have 2 pizzas delivered. another customer pays $59 for 6 pizzas. how many pizzas are delivered to a customer who pays $86?