Final answer:
The American paint horse is showing signs of attentiveness and interest when it approaches someone with eyes wide open and ears pointing forward.
Step-by-step explanation:
The American paint horse, when approaching someone with its eyes wide open and ears pointing forward, is showing signs of attentiveness and interest. This body language typically indicates that the horse is alert and focused on its surroundings.
When the horse's eyes are wide open, it means that it is visually scanning its environment, taking in information and assessing potential threats or opportunities. The forward-pointing ears indicate that the horse is actively listening and paying attention to sounds.
By displaying these behaviors, the horse is demonstrating its engagement and readiness to interact with its surroundings and the person it is approaching.