Please help with my question due ASAP

Is fgh ~ jkl? if so, identify the similarity postulate or theorem that applies.

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

Find the distance from the theater to the library. leave your answer in simplest radical form if necessary. 12 √12 74 √74