If jim roller can paint a room in 3 hours while john brush would take 5 hours, how long will they take if they work together?

What is the perimeter of an isosceles triangle with each leg measuring 2x+3 and the base measuring 6x-2?

Mallory has been offers two different jobs. she can baby sit for 6 hours a week and get $8.50 an hour. or she can work at the library for 14 hours a week and make $5.50 an hour. which job will allow her to save the most money after 6weeks?

Acompany makes steel lids that have a diameter of 13 inches. what is the area of each lid? round your answer to the nearest hundredth