Sarah made 12 cookies for her sleepover. If she splits the cookies evenly between her 5 friends, how many cookies will each friend get? A. 1 2/3, B. 1 3/4, C. 2 2/5, D. 3 3/4.

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)