You can find free PDFs floating around on file-sharing sites (like PDF Drive, Internet Archive, or certain Reddit threads—check r/ILC or r/BCIT).

Many curricula now include credit and compound interest. While less "math-heavy" than calculus, the theory guide must provide clear formulas for annuities and loans, which are often not intuitively understood.

Yes. Search YouTube for "Mr. MathWell" or "Britton Education" – many BC tutors follow specific workbook page numbers. You can search: "Pre-Calculus 11 workbook page 42" to find matching video lessons.