When constructing inscribed polygons and perpendicular lines, how are the steps similar? (2 points) a Four right angles are created. b A protractor and ruler are used to take accurate measurements. c Intersecting arcs are created and connected. d There are no similarities.

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)