Asingle unit investment comprising various stocks, bonds, and other investments is called a

Plz which expression is equivalent to the expression below?

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?

Rewrite the following quadratic functions in intercept or factored form. show your work. y = 4x^2 - 19x- 5