Which rational number is the smallest 1) 4/9
2) -5/6
3) -7/-12
4) 0.1112
5) -2.57

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.

Ineed to find the answer to number 2

What are the domain and range of f(x)= -log5(x+2)