Find the arc length of the semicircle. Enter an exact answer in terms of . units​

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

If chord ab is congruent to chord cd, then what must be true about ef and eg?

Calculate the missing value. round the answer to on decimal place. start with 70, increase it by 21%, and end up with