Find the value of x round to the nearest tenth

What point is the projection of q on a) r b) s c) t

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?

Reinel saves 30% of every pay check. his paycheck last week was 560$. how much did reniel save last week?