40*/*per hour

Usually replies in 21 hours

Prealgebra
| 10+ other subjects

60*/*per hour

Usually replies in 59 minutes

Algebra 1, Algebra 2, Calculus
| 3 other subjects

60*/*per hour

Usually replies in 17 hours

Algebra 1, Algebra 2, Geometry
| 7 other subjects

60*/*per hour

Usually replies in 3 hours

ACT Math
| 10+ other subjects