Which pairs does not represent a function

In which figure is de bc ? a. figure 1 b. figure 2 c. figure 3 d. figure 4

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.

Look at triangle wxy what is the length (in centimeters) of the side wy of the triangle?