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Explain step-by-step how to simplify -5(2x – 3y + 6z – 10).

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

The number if marbles of different colors stored in a hat is listed below: 4 red marbles 10 green marbles 7 blue marbles. without looking in the hat, dan takes out a marble at random. he replaces the marble and then takes out another marble from the hat. what is the probability that dan takes out a blue marble in both draws?