What is an angle that is
supplementary to BEC?

Volume of cylinder with a radius of 8cm and height of 25 cm

Which shows the correct substitution of the values a,b and c from the equation 1=-2x+3x^2+1

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)