You can paint a certain room in 9 hours. Your brother can do it in 6 hours. How long does it take the two of you working together? Call x the number of hours it will take the two of you. Think about how much of the room you and your brother each can paint in one hour.

40 points for your own answer! highschool math! george is folding a piece of paper to make an origami figure. each time he folds the paper, the thickness of the paper is doubled. the paper starts out flat, with a thickness of 1 millimeter. a. write a list of six ordered pairs showing the output as the thickness of the paper when the input is the number of times it is folded. explain how you came up with your ordered pairs. b. is this relation a function? explain why or why not using the ordered pairs you came up with in part a.

The graph below shows the height of a projectile t seconds after it is launched. if acceleration due to gravity is -16 ft/s2, which equation models the height of the projectile correctly?

Acircle has a circumference of 7.850 units. what is its radius?