Factor the polynomial completely. 12a4b2 – 18a3b2

How many grams must be adde to 970g to make 1 and a half kg

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?