Gretchen is setting up for a banquet. She had 300 chairs and needs to distribute them evenly among t tables. (in algebra)

Monthly water bills for a city have a mean of $108.43 and a standard deviation of $32.09. find the probability that a randomly selected bill will have an amount greater than $155, which the city believes might indicate that someone is wasting water. would a bill that size be considered unusual?

What expression is equivalent to (84+16)

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