Please help me complete this
https://easel. teacherspayteachers. com/activities/student/18109307

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?  

To solve the system of equations below, pedro isolated the variable y in the first equation and then substituted it into the second equation. what was the resulting equation? { 5y=10x {x^2+y^2=36

Benjamin is making bow ties. how many 1/2yards lomg bow ties can he make if he has 18 feet of fabric?