6tractors take 7 days to collect the harvest. how long would it take 18 tractors to do the same work

What is the remainder when 2872 is divided by 76? a) 51 b) 57 c) 60 d) 63

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)

Which of the following best describes the figure?