40*/*per hour

Usually replies in 7 hours

Algebra 1, Algebra 2, Calculus
| 10 other subjects

75*/*per hour

Usually replies in 13 hours

Algebra 1, Algebra 2, Calculus
| 1 other subject

38*/*per hour

Usually replies in 15 hours

Algebra 1, Algebra 2, Calculus
| 8 other subjects