A teacher spends 5.6 hour grading 3/5 of a essay. At this rate, how long does it take the teacher to grade the whole essay?

Acar travels at an average speed of 56 miles per hour. how long does it take to travel 196 miles

Two angles are complementary. the large angle is 36 more than the smaller angle. what is the measure of the large angle?

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)