Find the slop. need last post the picture didnt load correct

How many real and imaginary solutions does the equation x^2-3x=-2x-7 have?

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 slope of the line shown below?