Select the pair of functions representing f(x) and g(x) if f(g(x))=8x+1 a) f(x)=2x+3 and g(x)=4x-1 b) f(x)=4x-1 and g(x)=2x+3 c) f(x)=2x-1 and g(x)=4x d) f(x)=2x-3 and g(x)=4x-1

Elizabeth claims that the fourth root of 2 can be expressed as 2^m since (2^m)^n = 2. find the values of m and n for the case where elizabeth's claim is true.

Tan198=asin164=? how to solve this? ?

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.