Please help guys plleaasee

Aschool puts on a play. the play costs $1,200 in expenses. the students charge $4.00 for tickets. there will be one performance of the play in an auditorium that seats 500 people. what is the domain of the function that shows the profit as a function of the number of tickets sold?  

Choose all that apply. select all of the fees a credit card may have. annual fee apr balance transfer fee cash advance fee late fee overdraft fee over-the-limit fee

Which shows the graph of the solution set of 3y – 2x > –18?