If jim roller can paint a room in 3 hours while john brush would take 4 hours, how long will they take if they work together? 1/7 hour 1 hour 1 5/7 hours

Ajar of gumballs contains 4 reds, 2 greens, and 6 blues. what is the probability of getting two blues in a row without replacement?

Solve each quadratic equation by factoring and using the zero product property. 10x + 6 = -2x^2 -2

Oliver read for 450 minutes this month his goal was to read for 10% more minutes next month if all of her medicine go how many minutes will you read all during the next two months