A team is practicing on 3/8-acre field the coach divides the field into two equal parts for the practice what fraction of an acre is each part solution send help lol

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)

What would the rule be for the reflection of y=-3

What is the solution to this system of equations? y= 2x - 3.5 x - 2y = -14