Can someone please explain how to do this thanks. I have a test tomorrow:/

Use the distributive law to multiply. 3(4x + 5y + 6)

What is coefficient of the term of degree of degree 5 in the polynomial below

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.