Gerald pays $90 for 6 yoga classes. what is the cost per class?

Which interval for the graphed function contains the local maximum? [–3, –2] [–2, 0] [0, 2] [2, 4]

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?  

At $1.32 million, they closed last month percent above what they paid in 2007." how much did they pay in 2007?