Find the measure of the indicated angle

The final cost of a sale is determined by multiplying the price on the tag by 75%. which best describes the function that represents the situation?

Indicate the formula for the following conditions: p^c(n, r)=

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.