What is the vertex of this parabola y=-4x^2+8x-12

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 ratio of the height of two similar cylinders is 4 to 3 what is the ratio of their volumes

V=x^4-y^4 pick three expressions that can represent the three dimensions of the prism (each in meters)