Can someone me figure this out i don't know how to do this

Do u just plot the numbers on the graph like (1,

Which expression is equivalent to (9x - 3 1/ + 1 3/8)

Ineed big ! the cost of a school banquet is $25 plus $15 for each person attending. create a table, sketch the graph, and write an equation in slope-intercept and point-slope form that gives total cost as a function of the number of people attending. what is the cost for 77 people?