The area of a circular pool cover is 314 square feet. write and solve an equation to find the diameter of the pool cover. use 3.14 for pie.

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

Me i'm timed right now! there's 4 answer

If wxyz is a square, which statements must be true? plz < 3