The expression 9x^4-27x^6 is equivalent to..
-
3x^3

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.

How many solutions does the nonlinear system of equations graphed bellow have?

Which graph represents the parent function of y=(x+2)(x-2)