The box for the cake in the shape of a cube with edges 9 inches in length .How many square inches of cardboard are needed to make the box ?

Which math sentence can be used to determine if the triangle is a right triangle?

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?

What statement is true? 2x^2-9x+2=-1