300*/*per hour

Usually replies in 32 minutes

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

60*/*per hour

Usually replies in 4 hours

Algebra 1, Algebra 2, Prealgebra
| 5 other subjects

60*/*per hour

Usually replies in 15 hours

Algebra 1, Algebra 2, Calculus
| 3 other subjects