Help i don’t know the answer

The circumference of a circle is 60 pi cm3what is the radius of the circle

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

There were 25 students who answered to a survey about sports. four-fifths of them like football. how many students like football?