31 points available!! Just name all the Zodiac signs without looking them up, or list all the countries you know (NO LOOKING UP)

What is the order of magnitude for the number of liters in a large bottle of soda served at a party

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?

What is always true about a positive integer raised to a negative odd power?