A pizza parlors offers three different types of crust. each crust type is equally likeely to be ordered

What is the slope of the equation y =

Which equation represents the function on the graph?

Monthly water bills for a city have a mean of $108.43 and a standard deviation of $36.98. find the probability that a randomly selected bill will have an amount greater than $173, which the city believes might indicate that someone is wasting water. would a bill that size be considered unusual?