1. 160 is divisible by which of the following numbers 2, 3, 4, 5, 6, 9, or 10.
2. find the prime factorization of 720.
3. find the greatest common factor of 24 and 42.
4. reduce 18/45 to the simplest form.
5. find the least common multiple of 15 and 25.

2.5 milligrams is equivalent to how many grams

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.

Two friends are reading books. jimmy reads a book with 21,356 words. his friend bob reads a book with one-and-a-half times as many words. which expression represents the number of words bob reads?