Is this an even or odd function?

What is the base of 1/9 to the power of 2

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?  

If a suspect is in possession of 20 grams of cocaine how many ounces does he possess what will the charge be