No, the word "coordinator" is one word.
A hyphen isn't necessary in "coordinator"
no
No, the word "nineteen" does not need a hyphen when written numerically.
It's not a word in the dictionary, so yes, use the hyphen.
No. The word is "pinpoint".
nope
It may be spelled coordinator or co-ordinator.Coordinator is more common in use.
No the word "midday" is not hyphenated.
No, the word "predetermine" is one word.
The word "desperate" doesn't need a hyphen.
Yes, in-home does need a hyphen. It's two words put together to form a word for a different concept.
Yes it should be hyphenated.