Bonjour pouvez vous m'aider a ce devoir maison?.

Arectangular prism is 3 meters long, 6 meters wide, and has a height of 9 meters. what is its surface area?

And employee salary increased by $4500 which represents a 15% raise what is the rate of the increase

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)