Anyone know the answer have to turn in ASAP

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?

The measures of the legs of a right triangle are 15m and 20m . what is the length of the hypotenuse

If abcde is reflected over the x-axis and then translated 3 units left, what are the new coordinates d? are he re