Claudia bought 2 filing cabinets and 4 cupboards. a filing cabinet costs 3 times as much as a cupboard. she paid 800 altogether. what was the cost of the cupboard

cosine

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.