Helpp plsss this is another language or sum

What’s -11-33k and factor each expression completely

What is the product? a-3/15a × 5/a-3

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.