Which of the following are functions?
R= {(x, y) y = 1?} S = {(2.7)| = y’}
T = {(3.y) 1 = y)

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?

Write the slope-intercept form of the line that passes through the point (1, 0) and is parallel to x - y = 7. t

I’m stuck on this equation, anyone got the answer?