Ow does MATH put the action in your passion?

1) must demonstrate an enthusiasm for math and the ability to illustrate the importance of math in the hobby/ sports/subject/activity that I cares about the most, specifically addressing
How does MATH put the action in my passion”

2) I love to play piano and tennis, so I think I need find the actual math equations related to the piano or tennis, to address How does math put the action in my passionand the important in my hobby/sport/ or other activity.