9. (a)
Mike is going on holiday and has to be at the airport, 135 kilometres from home,
by 0945.
At what time should he leave the house in order to reach the airport in time if he
travels at an average speed of 60km/h?​

Diana is painting statues she has 7/8 of a liter of paint each statue requires 1/20 of a liter of paint how many statues can she paint?

If a baby uses 15 diapers in 2 days how many diapers will the baby use in a year

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?