Round your answer to the nearest tenth
Find the perimeter of the triangle below

Identify a1 and r for the geometric sequence an= -256(-1/4) n-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.

Can someone tell me if this is perpendicular? !