My father is still in ICU from having open heart surgery, so I’ll keep this short and sweet.
I have never used Khan Academy personally but my son has and has really benefited from it.
You do have to sign up for a free account but then you have access to a wide variety of lessons from all levels of math to test prep like SATs and such.
It’s worth looking into, especially if you struggle with math.
Until next time, God bless,
Michele ºÜº