Which type of data is best represented by a bar graph? a. changes in data over time b. parts of a total amount c. data sets with some common elements d. data that can be compared and are countable

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.

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What are two numbers that add up to -9 and multiply to -10 best answer gets branliest and 100 extra points