IF 4 is the question, one half of nine is not four, its 4.5. If use Roman numerals then "half" of nine can be four IX cut in half is IV and is therefore 4.
four million nine hundred
Nine plus four equals thirteen and that's ONE baker's dozen.
Thirty four and a half.
Six plus four divided by eight times nine minus four is equal to 6.5
24 Twenty Four
it is nine eighths it is nine eighths
four hundred and fifty.
Nine. If this is the answer you actually want.