There are 600 students at Hildas school out of 30 students she surveys eight of them ride their bikes to school estimate how many students rider bikes to school from the population

Will give brainliest summations with algebraic expressions image shown

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)

Factor the polynomial. b^2 + 4b + 4