30*/*per hour

Usually replies in 3 hours

Prealgebra
| 6 other subjects

50*/*per hour

Usually replies in 3 hours

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

40*/*per hour

Usually replies in 42 minutes

SAT Math, ACT Math
| 10 other subjects

40*/*per hour

Usually replies in 16 hours

Algebra 1, Algebra 2, Calculus
| 9 other subjects