What is the square root of 83 to the nearest tenth 9.1 or 9.2

You paint a 1/2 of a wall in 1/4 hour. how long will it take you to paint one wall

Carlos spent 1 1/4 hours doing his math homework he spent 1/4 of his time practicing his multiplication facts how many hours to carlos been practicing his multiplication facts

Use the elimination method to solve the systems of equations. choose the correct ordered pair. 7x+4y=39