1. Problem statement: Find the ordinate of the point $ (5,9) $. 2. Formula used: For any ordered pair $ (x,y) $, the ordinate is the second coordinate $y$. 3. Important rules: The first coordinate is the abscissa and the second is the ordinate. 4. Intermediate work: The given point is $ (5,9) $. The second coordinate (the ordinate) of this ordered pair is $9$. 5. Conclusion: The ordinate of the point $ (5,9) $ is $9$. 6. Final answer: Option (c) 9.