(asking again which property is shown by -5 *(6+7) = -5 * 6 + (-5) * 7

Which of these triangle pairs can be mapped to each other using two reflections?

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?

What is the lcm of 16 and 40 ? 24 and 40 ?