4 because you can draw a line horizontally and a line vertically and also two lines diagonally.
I not that good with math but I would say C.
Well actually depending on the size, if a small one I would use liters, but if a large ones like Olympics I would use kilolitres.
The equation would be 6x+5y=316. X represents the car travelers and the y represents the bus travelers
The domain is the left side of the table, which is (x)
Range is the right side which is (y)
Your answer is B
