-2(39% + **)+(855 + 2K)

What number should be added to both sides of the equation to complete this square? x^2-10x=7

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.

How many 2/5s are in 1 and 1/2 plz someone me right now