Roy D.

Roy D. joined Socratic 3.4986301369863013 years ago. Roy D. hasn't written a biography yet.

67,200 students helped

Level 5 in Algebra Level 4 in Precalculus Level 3 in Statistics Level 2 in Chemistry Level 2 in Calculus Level 1 in Trigonometry Level 1 in Astronomy Level 1 in Geometry Level 1 in Biology