Circle a has a radius that is 5 centimeters less than the radius of circle b. how does the diameter of circle a compare to the diameter of circle b? explain your reasoning.

Draw the line of reflection that reflects △abc onto triangle δ a'b'c'

Factor this polynomial completely x^2-64

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)