You have to average at least a "90" on your test scores to get an "a." you already have an 85, 92, and 91.what scores must you receive on your next test to earn a "90" average? must make an inequality with a variable

What is the value of r of the geometric series?

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?  

What are the solutions to the following equation? |m| = 8.5 the value of m is equal to 8.5 and because each distance from zero is 8.5.