I'm not world class at either, but I'm certainly passable at both
I am a high school sophomore with more than five years of great highland bagpiping experience. I also have knowledge of calculus (single and multi variate), physics (classical mechanics, quantum mechanics, special relativity), and linear algebra. I tend to get good feedback when I teach people, if that informs your decision to work with me. As to prices, I will take what you can/want to pay! I have a stable houshold and am well fed, so my income goes primarily to charity and hardware stores.
Check out my various attempts at putting my ideas onto the INTERWEBS