Ms. John buys tissues for the school from Staples. There is a cost per box and also a delivery cost. Last month she bought 300 boxes and spent $480. This month, she bought 250 boxes for
$405. Write an equation that represents the total cost for tissues if y is the total cost and x is
the number of boxes.

step-by-step explanation:

in the attachment.   i didn't see your choices.   the word which means there is choices.

step-by-step explanation:

(x,y)

x tells you how much left or right you go from the origin

y tells you how much down or up you go from the origin

so for example (-3,2), you go left 3 and up twice. i denoted which of the ordered pairs is which in my graph.