Heyyy who can answer these?? (Just the top 3)

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?

Factor the expression using the gcf. the expression 21m−49n factored using the gcf

The function models the number of accidents