Which of these skills do you need more with select all that applya. finding the square and square roots of numbers b. idrntifying rational and irrational numbersc. comparing values of rational and irrational numbersd. evaluating perfect squares and cubese. using roots to represent solutions to equations

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