2. savannah recorded the average rainfall amount, in inches, for two cities over the course of 6 months.
city a: {4, 3.5, 5, 5.5, 4, 2}
city b: {5, 6, 3.5, 5.5, 4, 6}
(a) what is the mean monthly rainfall amount for each city?
(b) what is the mean absolute deviation (mad) for each city? round to the nearest tenth.
(c) what is the median for each city?

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)