10 pointsis rotting tomatoes a chemical or physical change?

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?

Find the condition that the zeros of the polynomial f(x) = x^3+3px^2+3px+r may be in a. p.

Which rule describes the composition of transformations that maps △abc to △a”b”c