Abakery packages 868 muffins into 32 boxes how many muffins in each box?

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?

How can the correlation in the scatter plot graph below best be described? positive correlation negative correlation both positive and negative no correlation

Express the following as a function of a single angle. cos(60) cos(-20) - sin(60) sin(-20)