Based on the clue 'c4n is this italian greeting for now', what is the answer?

Based on the clue 'c vanderbilt thought george westinghouses idea of ...', what is the answer? Based on the clue 'c walton lillehei is known as the father of this t...', what is the answer? Based on the clue 'c21 h28 o5 isnt a football play but the formula fo...', what is the answer? Based on the clue 'c3h8 is the formula for this flammable gas that po...', what is the answer? Based on the clue 'ca is calcium cf is this element', what is the answer? Which performer is associated with 'caa'? What is associated with: caan welcomes future son in law hugh grant to the family in this 1999 mob comedy? What is associated with: cab calloway first recorded his song about this moocher in 1931?