Ages of Students and reading class Will the distribution have LOW or HIGH variability?
and explain why.

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)

What is the point slope form of a line with slope -5 that contains point (2,-1)

I'm a polygon i have no parallel lines i am formed 3 line segments i have one right angle two of my angles are angles what am i