If a 0.27 cm long crystal appears to be 13.5 cm long under a microscope, what is the power of the microscope?

Is a currency whose value is tied to another currency, meaning that the exchange is fixed

Which function has the same domain as y=2x

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?