Final answer:
The three odd composite numbers are 9, 15, and 21.
Step-by-step explanation:
Odd composite numbers are numbers that are greater than 1, not prime, and not divisible by 2. Composite numbers are numbers that have factors other than 1 and itself. So, the three odd composite numbers are:
- 9: Factors of 9 are 1, 3, and 9. It is odd and not prime.
- 15: Factors of 15 are 1, 3, 5, and 15. It is odd and not prime.
- 21: Factors of 21 are 1, 3, 7, and 21. It is odd and not prime.