Are the Math classes on Study.com any good?

[dfrecore]

I would say that if you need to learn math from Algebra on up, Study.com is going to be too expensive.  I would do Khan Academy for free, and actually go through every possible course that you can, starting as low as you need to to make sure that you don't have any gaps in your knowledge.

Is ALEKS still a good credit provider after the changes they made?

The question you asked was for good course provider to learn math from Algebra through Calculus.  ALEKS is not free, nor does it go through Calculus, so in my opinion, it's not the best learning resource.  It's especially bad if you need to learn other than from reading - watching a video works better for some.

ALEKS is just fine as a course provider, and the price can't be beat.  But it's not how I would personally learn math, because it doesn't have the breadth that you're looking for, and if you really want to learn, I'm not sure why you'd pay $20/mo in perpetuity.  Instead, choose a free resource where you can take your time to really learn the material, and THEN look for a way to get credit.  Credit is fairly easy to get, once you've learned the material.