Mrs. kim wants to carpet her living room. she wants to place carpet over the whole room except for the tiled area by her door. how many square feet of carpet will mrs. kim have in her living room? a. 12 ft² b. 28 ft² c. 42 ft² d. 78 ft²

What are the excluded values? m+5/mn+3m

This circle is centered at the origin, and the length of its radius is 6. what is the circle's equation? a. x^2+y^2=36 b x^2+y^2=6 c x+y=36 d x^6+y^6=1

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?