Quiero saber el binomio de ( 3x – 2y)3

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 the chart showing the results of a baseball player at bat. which is the probability of getting a hit?

Factor 15x^3 - 5x^2 +6x-2 by grouping. what is the resulting expression