60*/*per hour

Usually replies in 28 minutes

Algebra 1, Algebra 2, Calculus
| 9 other subjects

25*/*per hour

Usually replies in 2 hours

Algebra 1, Algebra 2, Calculus
| 10+ other subjects

30*/*per hour

Usually replies in 12 hours

Algebra 1, Algebra 2, Geometry
| 4 other subjects