Evaluate when x = 8: 2x + X - 10

Which expression do you get when you eliminate the negative exponents of 4a^2 b^216a^-3 b

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.

2and 3 are angles. complementary vertical congruent supplementary