Arectangle has a length of 5x-15 and a length of 2x+7. what is the perimeter of the rectangle?

You paid 28.00 for 8 gallons of gasoline. how much would you pay for 15 gallons of gasoline?

An internet company charges $8.95 per month for the first 3 months that it hosts your web site. then the company charges $11.95 per month for web hosting. how much money, in dollars, will the company charge for 8 months of web hosting?

What is the factor form of x^2-9x+14