Ayudaa es para Hoy.! :)​

True or false? a circle could be circumscribed about the quadrilateral below.

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)

Afair die is cast four times. calculate the probability of obtaining exactly two 6's round to the nearest tenth of a percent