Abag contains 5 plain muffins and 6 blueberry muffins. without looking sherman selects a muffin, hands it to his sister, and then selects a second muffin for himself.

what is the probability that sherman and his sister both get plain muffins?

25/121

3/11

2/11

5/6

The position of a moving particle is given by the position function: f(t)=-9t-t^2-0.2t^3+0.1t^4 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)