Log base 3 of 4 + log base 3 of 11= log base 3 of 4•11; Answers is 11
For a square, the area is the square of the side length (length x width = area, but in a square length = width). That means the side length is the square root of the area.
In this case the side length is the square root of 121, which is 11. Answer is C.