PLEASE HELP ME WITH MY MATH PLEASE... I WILL GIVE BRAINLIEST

2x - 20 = 32 20 - 3x = 8 6x - 8 = 16 -13 - 3x = -10

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?  

Adj has a total of 1075 dance and rock songs on her system. the dance selection is 4 times the size of the rock selection. write a system of equations to represent the situation.