Which system models this problem? 0 x + y < 50
2x
O <
x+y $50
y22x
O x + y < 50
YS 2x
X+ y < 50
YS 2x

What is the image of c for a 90° counterclockwise rotation about a? (3, 7) (-1, 3) (7, 3)

What is the effect on the graph of the function f(x)=x when f(x) is replaced with -f(x)+4

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?