Which shows the following expression after the negative exponents have been eliminated? a^3b^-2/ab^-4

options:
a^3b^-4/ab^-2
ab^4/a^3b^2
- a^3b^4/ab^2
a^3b^4/ab^2

Which inequality is equivalent to -3x < -12? x < 4 , x < -4 , x > 4, x > -4

Opposite angles in a parrellelogram are

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.