Round 425 feet in hours

The position of a moving particle is given by the position function: f(t)=-9t-t^2-0.2t^3+0.1t^4 0 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)

Shane and abha earned a team badge that required their team to collect no less than 20002000 cans for recycling. abha collected 178178 more cans than shane did.

The stem-and-leaf plot below shows the number of pages each student in the class read the previous evening. according to the plot, 75% of students read less than 13 pages. 33 pages. 35 pages. 46 pages.