The graph shows the relationship between the amount of water that flows from a fountain and time. write an equation that represents the amount of water that flows after x minutes. PLZ HELP

Which of the fallowing best completes the sequence 12,8,5, a) 1 b) 2 c)4 d)0

F(x)=5/6x+3 which of the following is true

Oliver had $50 on the day before his birthday. after he recived some money for his birthday , he had $75. write and solve eqaution to find how much money oliver received for his birthday. x+50=75