Which sentence tells the main idea for paragraph 2

Somone me i want to know what 18 hours out of 24 hours in a fraction

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

How do you write y-10=2 (x-8) in standard form