Help fast i will give you brainlist Which of these inequalities are equivalent to r > -11? Check all that apply. -r -33 -3r 33

Monthly water bills for a city have a mean of $108.43 and a standard deviation of $36.98. find the probability that a randomly selected bill will have an amount greater than $173, which the city believes might indicate that someone is wasting water. would a bill that size be considered unusual?