What is the volume of a cube is 4 inches long is each side

Using the side-splitter theorem, daniel wrote a proportion for the segment formed by luke segment de. what is ec?

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

I’m really confused and need your assist me with this question i’ve never been taught