If you bought a stock last year for a price $21, and it has risen 11% since then, how much is the stock worth now, to the nearest cent?

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?  

Varies inversely with x. if y=8.5 when x=-1 find x when y=-1

For the feasibility region shown below find the maximum value of the function p=3x+2y