Larry can spend at most $2800 to renovate his home. One roll of wallpaper costs $35, and one can of paint costs $40. He needs at least 20 rolls of wallpaper and at least 30 cans of paint. Identify the graph that shows all possible combinations of wallpaper and paint that he can buy. Also, identify two possible combinations. HELP PLEASE A: Possible combinations: (50, 40), (10, 60)
B: Possible combinations: (10, 10), (20, 15)
C: Possible combinations: (11, 25), (18, 15)
D: Possible combinations: (25, 35), (40, 30)