Ramon buys five 3 - pound bags of natural parrot food for $8.79 per bag and two 5 - pound bags for $13.90 per bag. what is the average cost per pound of parrot food?

The amount of energy it takes to lift a box might be a function of which of the following

What is a graph with a never ending line called?

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)