Question - 2 —— answer plzz

What aspects of lines have to be diffrent

Askate shop rents roller skates as shown on the table below. which graph and function models this situation?

Aschool allots ? 1500 to spend on a trip to the theatre. theatre tickets have a regular cost of ? 55 each and are on offer for 1 5 off. a train ticket for the day will cost ? 12 each. if 2 teachers and the maximum number of students attend, how much money will the school have left over?