Create two expressions using the following criteria: include one expression that contains rational exponents that can be simplified further. provide the simplified form to your instructor. include one expression that contains radicals that can be simplified further. provide the simplified form to your instructor.

20 da is equal to a. 2,000 cm. b. 2 m. c. 20,000 cm. d. 20,000 mm

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)

How do you determine if an ordered pair is a solution to a given equation?