Post date: Jul 12, 2017 7:02:30 PM
Algebra 1: https://www.khanacademy.org/math/algebra/one-variable-linear-equations/linear-equations-with-unknown-coefficients/e/solving_for_a_variable
Geometry: https://www.khanacademy.org/math/geometry/hs-geo-circles/hs-geo-tangents/e/central--inscribed--and-circumscribed-angles
Algebra 2: https://www.khanacademy.org/math/algebra2/exponential-and-logarithmic-functions/introduction-to-logarithms/e/logarithms_1
