One person can paint a room in 5 hours and the other takes 8 hours working together how long will it take the two of them if they work together

Is 645 round to 600 when rounded to the nearest ten

7*9 = (7*10) - (7*?) what is the value of? In the equation shown?

Is 56.7 greater than 121.5

Ms. Groves has trays of paint for students in her art class. Each that has 5 colors. One of the colors is purple. What fraction of the colors in 20 trays is purple?

Which of the following expressions represents the value, in dollars, of a certain number of dimes, d, and pennies, p? 0.01d + 0.10p 0.10d + 0.01p 0.11dp 0.11d + p

Brian borrowed $375 to pay for a lawn mower. At the end of the year he will repay the Money plus 11% interest. What is the total amount Brian will repay?

Find all solutions in the interval [0, 2pi) : sin5x+sinx=sin3x

5.5% tax on a $309.95 purchase

An airplane is traveling 835km/h in a direction 41.5 west of north. Find the components of the velocity vector in the northerly and westernly directions. How far north and how far west has the plane traveled after 2.50h

4. Change the decimal 0.0112 to a fraction.