¿Cómo puedo saber cuál es el número primo más grande por el que puedo dividir 42 504?

Answer this question only if you know the answer! 30 points and

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?  

Me asap! what is the slope of this line? enter your answer in the box.