There are 6 green, 8 red, and 6 yellow marbles in a bag. you choose a marble without looking, put it aside, and then choose another marble without looking. use the multiplication rule to find the specified probability, entering it as a fraction. find the probability that you choose a red marble, followed by a yellow marble, followed by a green marble. the probability that you choose a red marble, followed by a yellow marble, followed by a green marble is

The position of a moving particle is given by the position function: f(t)=-9t-t^2-0.2t^3+0.1t^4 0 a. at what time does the particle reverse direction? b. when is the displacement positive? (round one decimal place and answer in interval notation) c. when is the displacement negative? (round one decimal place and answer in interval notation) d. when is the particle’s acceleration positive? (round one decimal place and answer in interval notation) e. when is the particle’s acceleration negative? (round one decimal place and answer in interval notation)