Evaluate:4 to the power of 2 x 4 to the power of 2

A. 16 to the power of 4
B. 256
C.1
D.65,536

Which number is irrational? a) 16 b) 18 c) 25 d) 36

Need ! give step by step solutions on how to solve number one \frac{9-2\sqrt{3} }{12+\sqrt{3} } number two x+4=\sqrt{13x-20} number three (domain and range) f(x)=2\sqrt[3]{x} +1

Which best explains why this triangle is or is not a right triangle?