The average area of a living room is 330 square feet. If the living room is a shape of a square what are the dimensions of the room?

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?

Pyramid shown has a square base that is 18 inches on each side has a surface area of 164 square inches what is the slant height

If x+y+z=0 what is the value of [tex] {x}^{3} + {y}^{3} + {z}^{3} [/tex]