Find the solutions of the equation.

x^2 - 4x - 5 = 0

question 12 options:

x = 5 and x = 1

x = 5 and x = -1

x = -5 and x = -1

x = -5 and x = 1

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?