The equation 15x + 30y = 180 represents the number of children x and adults y who can attend the rodeo for $180. Find the x- and y-intercepts (Hint: use Desmos). Then explain what each means in terms of the context of the problem.

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?