Karen has some lawn chairs. Jenny has twice as many lawn chairs as Karen, and Rico has 3 more lawn chairs than Karen. Together, they have a total of 31 lawn chairs. How many chairs does Karen have?

Solve the inequality 4x<-12

A line has a slope of 3 and a y-intercept of 2. What is it's equation in slope intercept form?

The cable company is analyzing the data from two satellite television providers to determine whether their users spend more time watching live television or shows that have been recorded.

The manager of Cups R' Us handed out 125 coupons to his customers on Monday, c coupons on Tuesday, and 220 coupons on a Wednesday. Write an expression for the total number of coupons the manager handed out. Then simplify the expression.

Roger sells fire trucks and dolls to a toy store. He sells each fire truck for $15 and each doll for $10. Roger wants to sell at least 25 toys and needs to earn at least $300 to cover his costs.

Which of the following is an extraneous solution of (45-3x) ^1/2=x-9?

What is the value of the expression 16 - (5.2*3) + 7

A recipe for quinoa no calls for 2 and 2/3 cups of milk Connor wants to make four batches of quinoa how much milk does he need

A rental car agency charges a flat fee of $139.00 plus $30.00 per day to rent a certain car. Another agency charges a fee of $13.00 plus $51.00 per day to rent the same car. Find the number of days for which the costs are the same.

How to find the radius of square that tells you length, width, and height.