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The roots of the function f(x) = x2 – 2x – 3 are shown. what is the missing number?

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.

Solve 17= -13 - 8x and show your work.