Terrence biked a total of 645 kilometers in 15 days of training for a race. Terrence biked the same number of kilometers each day. How many kilometers did Terrence bike each day?

Over which interval is the graph of f(x) = x2 + 5x + 6 increasing?

Solve the system of equations using the substitution method. {y=−3x+7x=−2y−16 enter your answers in the boxes.

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?