-0.2x-5/6 i need help

What expression is equivalent to log3(x+4)

What is the total surface area of this square pyramid?

Describe the end behavior of the function below. f(x)=(2/3)^x-2 a. as x increases, f(x) approaches infinity. b. as x decreases, f(x) approaches 2. c. as x increases, f(x) approaches -2. d. as x decreases, f(x) approaches negative infinity.