50*/*per hour

Usually replies in 23 hours

Algebra 1, Algebra 2, Calculus
| 3 other subjects

40*/*per hour

Usually replies in 47 minutes

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

45*/*per hour

Usually replies in 21 hours

Algebra 1, Algebra 2, Geometry
| 8 other subjects