Please help! Will mark brainiest what’s the domain of H?

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.

Find the values of y: 3y^3(y^2+ 2/3y)=0

What are the exclude value of mn+3m