Find the equation of the line with slope −3 which goes through the point (6,−7)

Iwill make brain if you me correctly fill this out needs due today pls and send it back to me (click the link and you will get it)

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?

Aquadratic equation in standard from is written ax^2= bx+c, where a,b and c are real numbers and a is not zero?