What is the domain of this relation? (The letters is the x value and the numbers are the y)

it will cost dollar $540

the living room is 3 which means if we divide 325/3 then we get $108

therefore if 1part of the living room cost $108 and 3 costed $325

then total 5part of the room will cost 5*108 which gives $540

you didn't give me the choices, so i will just give you the graph so you can look at your choices and choose the right one.

c > -10.55

step-by-step explanation:

60: 45 =12: 9 =4: 3 so the answer is 4: 3