Helen D.

B.Math from University of Waterloo in Canada


40,108 students helped
Teaching the World! Champion! Collaborator! Trophy Case! Bold Learner! On Fire! Friendly Face!
Level 6 in Precalculus Level 6 in Algebra Level 4 in Trigonometry Level 2 in Chemistry Level 2 in Geometry
50 Answers 8 Edits