Well i recently found this topic
(i have only seen the unban requests lol)
I can help with:
-Math: derivatives, integrals, series (infinite and taylor) and applications in real life of each of them
-Physics: simple vector problems, cinematics, dynamics, energy, rotational dynamics, fluids /staticsdynamics, simple harmonic motion, waves (interference, electromagnetic, stationary), heath (systems, transference)
-Human Anatomy
-Human physiology
-Cell's biology and genetic principles
-Spanish (all my life)
-French: basic principles
... I had to post aevery single thing i know, because i dont know how is the american education