Which of these inequalities are equivalent to r > -11? Check all that apply.
-r -33
-3r 33

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?  

14. (05.02 lc) what is the value of y in the solution to the following system of equations? (5 points) 2x + y = −4 5x + 3y = −6

Which inequality is equivalent to -3x < -12? x < 4 , x < -4 , x > 4, x > -4