Value of 7 x 10 to the power of 3

Find the slope of the line that contains the following points. r(-2, 4), s(6, -2)

Find an equation for the linear function which has slope -10 and x-intercept -7

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?