Shandra has a sheet of cardboard whose area is x2 + 2x − 15 square inches. we know that the length of the cardboard sheet is (x + 5) inches. what is its width? (hint: area = length · width)

Suppose that 15 inches of wire cost 60 cents. at the same rate, how much (in cents) will 12 inches of wire cost

What is the area of the shaded sector?

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?