here is the question, what is the value of cos c

Organisms that live in the alpine and taiga biomes have developed unique adaptations that aid in their survival. the douglas-fir is a conifer tree that grows in the taiga biome. it has an average height of about 70 feet, and its wood is an important source of lumber.

Factor the monomial completely 42a3b3

Apositive number a or the same number a increased by 50% and then decreased by 50% of the result?