Factor 6x4 – 5x2 + 12x2 – 10 by grouping. what is the resulting expression?

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?

Mackenzie needs to determine whether the rectangles are proportional. which process could she use? check all that apply.

Two rectangular prisms have the same volume. the area of the base of the blue prism is 418 4 1 8 square units. the area of the base of the red prism is one-half that of the blue prism. which statement is true?