A transponder for a toll bridge cost 17.50. With the transponder the toll is 4 each time you cross the bridge

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?

Arational number that is equivalent to -20/4?

What is the quotient of 3x^4+22x^3+37x^2-7x+10