If you had the chance to study one of the three zones around coral reefs, which one would you choose? Why?

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 area of the regular hexagon if a side is 20 cm.

In a column proof the right column states your reasons