Please answer the question (8TH GRADE?!)
if you can dont give me wrong answer

The function v(r)=4/3pir^3 can be used to find the volume of air inside a basketball given its radius. what does v(r) represent

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?

Which shaded region is the solution to the system of inequalities? y y[tex]\geq[/tex]-x+1