Emily has 36 lollipops. samantha has two-thirds as many lollipops as emily. how many lollipops do they have altogether?

What are the measures of ∠a, ∠b, ∠c and ∠d? explain how to find each of the angle measure.

Ineed to know the answer to this algebra question.

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)