70*/*per hour

Usually replies in 12 hours

Algebra 1, Algebra 2, Calculus
| 10 other subjects

60*/*per hour

Usually replies in 38 minutes

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

35*/*per hour

Usually replies in 5 hours

Algebra 1, Algebra 2, Calculus
| 3 other subjects