Food services for a school district examined the choices of side dish for students at three types of schoc district: elementary school, middle school, and high school.
Side Dish Chosen
French Fries
Carrot Sticks
Apple Wedges
Td
Elementary
85
35
23
1
Type of School Middle
56
42
31
12
High
47
45
36
12
Total
188
122
90
Given that a student chose apple wedges, what is the probability that the student is in high school?
40
O 9.0%
O 22.5%
O 28.1%
O 40.0%

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)