A tank can be filled in 18 hours by Pipe A or in 24 hours by Pipe B. How much time would be needed for both pipes to fill the tank?
103 hours
109 hours
104 hours
10 hours

Gabriel paints flower pots to sell at a craft fair. she paints 2/5 of a flower pot teal, 1/4 of it yellow, and the rest of it white. what fraction of the pot is painted either teal or yellow?

Enter the number of complex zeros for the polynomial function in the box. f(x) = x+ + 5x² +6

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.