It looks like this was supposed to be a question block with an answer of 8.  See [vectors/spanningSets/spanningSets.tex](https://github.com/mooculus/linearAlgebra/blob/c44b47160191410dca78ff113e6e0c5878d4c09f/vectors/spanningSets/spanningSets.tex)
It looks like this was supposed to be a question block with an answer of 8.
See vectors/spanningSets/spanningSets.tex