Dennis Ducoff ![[Den Small.jpg]] [Send dducoff an email](https://docs.google.com/forms/d/e/1FAIpQLSePHGQBb1hx3ZAGjOoCq0GeCnq3k2BOfTV6niJiYw8tWCjKpA/viewform) --- Algebra, PreCalculus, Calculus - 30 years of tutoring experience - Certified Math Substitute Teacher in the Boulder Valley School District - Math Tutor for advanced subjects at Front Range Community College, Westminster, Colorado - BA in Math with additional graduate work in math and computer science - Teach once ... learn twice --- ![[Den's Mineral King Hike.jpg]] :LiYoutube: [A short video of Den's `epic` hike in the Sierra Nevadas](https://www.youtube.com/watch?v=C9TLVovr14A)