Which of the following describes a compound event A. Drawing ten of diamonds from a deck of cards B. tossing 5 coins and getting 4 heads c. tossing a coin and getting tails D. Rolling an 3 on die

Find the midpoint of the segment with the given endpoint k(-4,4) and l(6,12)

Can someone me with this problem . show your work .

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)