The graph below shows the distance of two cars from Dallas over a four hour period. Car A is driving towards Dallas, and Car B is driving away from Dallas. Based on the graph, how much time will it take for the cars to be the same distance away from Dallas?

Solve for x, y, and z. show all steps.

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?

What is the distance between points a and b?