Final answer:
The difference in water height for Xana's hot tub is 12 inches, which is the result of subtracting the current height (24 inches) from the maximum height (36 inches).
Step-by-step explanation:
The difference in water height for Xana's hot tub is determined by subtracting the current water height from the maximum water height. The maximum water height is 36 inches, and the current height is 24 inches. Therefore, the difference in water height is calculated as follows:
36 inches (maximum height) - 24 inches (current height) = 12 inches (difference).
So, the correct answer to what the difference in water height is would be option 1) 12 inches.