Ineed with this i forgot how to do this

How do i do this activity, is appreciated

Awater truck is filling a swimming pool. the equation that represents this relationship is y=19.75x where y is the number of gallons of water in the pool and x is the number of minutes the truck has been filling the pool.

Using graph paper, determine the line described by the given point and slope. click to show the correct graph below.(0, 0) and 2/3