80*/*per hour

Usually replies in 11 hours

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

85*/*per hour

Usually replies in 49 minutes

SPSS
| 1 other subject

60*/*per hour

Usually replies in 5 hours

Algebra 1, Algebra 2, Geometry

45*/*per hour

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