In right triangle abc, ab=6, bc=12, and m∠a=90°. what is the value of cot c?

What is the solution of the systems of equations? y=2/3x+3 x=-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?

It says factor each expression completely 8y+48