Help me I don’t not understand

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?

The line of best fit for the scatter plot below passes through which pair of points?

In the expansion of (2m-3n)^9 one of the terms contains m^3. determine the exponent of n in this term