Solve for fff: f\div -\dfrac{2}{3}= -\dfrac{1}{3}f÷−
3
2

=−
3
1

f, divided by, minus, start fraction, 2, divided by, 3, end fraction, equals, minus, start fraction, 1, divided by, 3, end fraction
f =\,

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)

Look at triangle wxy what is the length (in centimeters) of the side wy of the triangle?

20 points plus brainliest andwer plus my hover hoard im v desperate ! evaluate the polynomial for x=-2 in the equation -3x^3+7x^2-7x-1 (simplify your answer)