Which is an equation in point-slope form of the line that passes through the points (4,5) and (-3,-1)? a. y+1=6/5(x+3) b. y-1=6/7(x-3) c. y+1=6/7(x+3) d. y+3=7/6(x+1)

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?