Can someone help me i will give brainleast and no links I really need to finish this I have 15 left

1.) 5+5x=y (I think it’s y)
2.) mark (0,5) (1,10) (2,15) (3,20) (4,25) and so on
3.)yes because each minute that passes it fills 5 gallons
4.) instead of started at (0,5) it would start at (0,0)
5.) 5+4x=t 5 is bowling shoes, 4 is how much a game is , is represents how many games are played and t equal total cost
6.) 40+8x=t, 40 represents how much he started with, 8 represents how much a day he gets, x represents how many days, and t is the total