What is referred to by '12 squared plus 8'?

What is referred to by '12 oclock'? Based on the clue '12 of these 33 bones are thoracic', what is the answer? Based on the clue '12 of this 2nd largest island in the world is an i...', what is the answer? Based on the clue '12 plus 13 plus 110 plus 115', what is the answer? Based on the clue '12 to 30 miles up this atmospheric layer largely i...', what is the answer? Based on the clue '12 year old david mullany gave this toy its name a...', what is the answer? What is associated with: 12 year old george abraham thampy won this contest in 2000 his final word was demarche? Based on the clue '12 year old josh baskin', what is the answer?