Suppose you have a concave pentagon with interior angles that measure 110°, 80°, 72°, and 62° for four of its vertices. Which of the following statements are true for the concave pentagon? Select all that apply.

Can someone pls ! pls answer all. no explanation needed..

Triangle xyz has vertices x(1,3), y(0,0)

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)