What is the common solution for the equations y = 2x + 1 and y = x + 3? Write your answer an ordered pair!

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?  

Which expression is equivalent to 3^3 + 2^2?

What is the answer to the question 5x+2x