Wade can paint a certain room in 7 hours. rhonda can paint the same room in 5 hours. how long will it take them working together to paint the room? round your answer to the nearest hundredth if necessary.
come up with a rational expression to solve this problem.

In what form is the following linear equation written y=9x+2

Find the value of x. give reasons to justify your solutions! l, m ∈ kn

Suppose you just purchased a digital music player and have put 8 tracks on it. after listening to them you decide that you like 4 of the songs. with the random feature on your player, each of the 8 songs is played once in random order. find the probability that among the first two songs played (a) you like both of them. would this be unusual? (b) you like neither of them. (c) you like exactly one of them. (d) redo () if a song can be replayed before all 8 songs are played.