Suppose a town installs mailboxes at points p and r. how many straight roads might the town plan to build that pass by both mailboxes?

If you answer right ill give brainliest, : )

Which inequality has a dashed boundary line when graphed ?

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)