80*/*per hour

Usually replies in 41 minutes

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

65*/*per hour

Usually replies in 17 hours

Algebra 1, Algebra 2, Prealgebra
| 1 other subject

50*/*per hour

Usually replies in 33 minutes

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

42*/*per hour

Usually replies in 5 hours

Statistics
| 8 other subjects