Which cheer includes a reference to "3.14159"?

The reference to "3.14159" is a well-known approximation of the mathematical constant pi (π), which is significant in science and mathematics. The Science Cheer, as the name suggests, is likely to incorporate themes, terms, and concepts from various fields of science, including mathematical references like pi. This connection to scientific ideas makes it appropriate for a cheer focused on promoting interest in science and education.

In contrast, the other options center around different themes. The Dynamite Cheer pertains to energy or excitement, the Arts Cheer focuses on creative disciplines, and the Spirit Cheer is generally aimed at boosting morale and school spirit without specific academic references. Therefore, the Science Cheer stands out as the logical choice for including a mathematical reference like "3.14159."