Which situation is modeled here? And I don’t mark down 20% to $12 an item marked down 12% to $9.60 an item marked down 20% to $9.60 an item marked it up 20% from $12

Scale factor of 2 is used to enlarge a figure as shown below the area of is 18 in.²

The measures of the legs of a right triangle are 15m and 20m . what is the length of the hypotenuse

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?