What is four to the eighth power over four to the fifth power

Look at the following graph of the given equation. determine whether the equation is a function. explain why or why not.

Will give brainliest immeadeately true or false: the origin woud be included in the solution set for the inequality: y< 2x-5

From the top of a tree a bird looks down on a field mouse at an angle of depression of 50°. if the field mouse is 40 meters from the base of the tree, find the vertical distance from the ground to the bird's eyes.