What is the result of subtracting the second equation to the first.
-2x + 7y = 10
3x + 7y = 2

Give all possible names for each angle shown.calculation tip: in angle abc, b is the vertex.

Which ordered pair is a solution of the equation? 2x+3y=10

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?