Which of the following functions is a direct variation? a. f(x) = 2x b. f(x) = x + 2 c. f(x) = 2

Which is the completely factored from of xy^3-x^3y

What is the binomial expansion of (2x-3)^5

The administrator of a large assisted living facility wanted to know the average age of the residents living at the facility. he randomly selected 12 residents and determined their age, listed here: 80, 65, 75, 83, 68, 73, 88, 79, 94, 72, 79, 68 what's the average age of the sample of residents? a. 79 years old b. 68 years old c. 75 years old d. 77 years old