What is the standard equation of quadratic equation

5(-9w) put expression in distributive property

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?

Given: pqrs is a parallelogram prove: pr and qs bisect each other at t