What’s the total surface area of the triangular prism?

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 value would be a solution for x in the inequality 47-4x< 7

If sin(x) = 0 and cos(x) = 1, what is tan(x)?