Which rotation maps point K(8,-6) to K'(-6, -8)? 180° counterclockwise rotation
90° clockwise rotation
90° counterclockwise rotation
180° clockwise rotation

This question awards 100 ! i really don’t want to fail i will also mark you !

Vinay constructed this spinner based on the population of teachers at his school according to vinays model what is the probability that he will have a male history teacher two years in a row

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)