Round off 8.20155 to the nearest whole number ​

Mackenzie needs to determine whether the rectangles are proportional. which process could she use? check all that apply.

Yvaries directly as x. y =90 when x=6. find y when x=13

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?