Evaluate 12× 86 ( mod 5 )

(hurry! ) which expression is equivalent to the following complex fraction?

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 zero function by factoring (try to show work) h(x)=-x^2-6x-9