Given m||n, find the value of x.
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Ill mark the brainliest if you me with the these three questions 7,8,9

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.

Pyramid shown has a square base that is 18 inches on each side has a surface area of 164 square inches what is the slant height