I've had a similar interest lately, to freshen up on some higher maths that I've studied in school and mostly forgotten due to lack of use. Calculus, linear alg

I've had a similar interest lately, to freshen up on some higher maths that I've studied in school and mostly forgotten due to lack of use. Calculus, linear algebra, statistics; I feel like it would be good to review some cliff notes, but not sure of a good source.