Im who wants to play Ka Hoot just say yes and ill give you the pin the subject is math

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?

Find the multiplicative inverse of 8-12i

Two years ago a man was six times as old as his daughter. in 18 years he will be twice as old as his daughter. determine their present ages.