1. Közösség
2. General Khan Academy Questions

I'm 29 and working towards being a veterinary nurse and would like to do biology. For work and just general curiosity. I didn't do any sciences, math etc at school. Which courses should I do leadin...

1. Közösség
2. General Khan Academy Questions

For improving math should i work through the grades starting at 1? And with biology what do I start with? Should I go Into the biology library or do middle school biology? I left school with noth...