(a) write in words how to read the following out loud {n E Z | n is a factor of 9}. (b) Use the set- roster notation to indicate the elements in the set. |

Idon’t understand this.. will someone ? will mark brainliest along with 20 points.

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

The total number of dental clinics total for the last 12 months was recorded