Find f(-3.5) y=15x + 7x² -11

Rewrite the following quadratic functions in intercept or factored form. show your work. y = 5x^2 + 10x

10x − 5y + 14 = 0 whats the answer pls

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?