Mary jane is organizing her cd's each cd case has an area of 16 inches squared. the height of a stack is 5 inches what is the volume of a stack

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?

Ireally need subtract and simplify.(-y^2 – 4y - 8) – (-4y^2 – 6y + 3)show your work, ! i will mark you brainliest but you have to show your work.

Graph the system of equations. {6x−4y=−244x−8y=−32 use the line tool to graph the lines.