35*/*per hour

Usually replies in 7 minutes

Algebra 1, Prealgebra
| 10+ other subjects

60*/*per hour

Logic
| 10+ other subjects

50*/*per hour

Usually replies in 5 hours

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

50*/*per hour

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