What is the number associated with 'nine' in the practice text?

The number associated with 'nine' is nine itself, which is embodied in the practice text as the written form of the numeral. This directly correlates to the question, as the goal is to identify the number that corresponds to the word 'nine.' The choice reflecting this is the one that provides the same numerical value in both written and numeric forms. Other choices represent different values and, therefore, do not relate to the query of identifying 'nine.' The use of numerals and their corresponding words is a common aspect in various forms of training and testing, reinforcing the importance of basic number recognition within the context of the practice material.