What is the remainder when (2p3 - 7p2 - 38p + 1) is divided by (2p - 7)?

What is the point-slope form of the equation for the line with a slope of -2 that passes through (1,4)?

Ineed to know the answer to this algebra question.

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)