Covert to slope intercept form : 9x - 7y = -7

The longer leg of a 30° 60° 90° triangle is 16 times square root of three how long is a shorter leg

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?

Asequence is a function whose is the set of natural numbers