What is the opposite of the opposite of -1.4

Write an equation in point-slope form for the line through the given point that has the given slope (-2,-7); m=-3/2

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?

2. explain in words how you plot the point (4, −2) in a rectangular coordinate system.