| 21 | 21th LS(200528) Ch11.4 Two Way Tables(P612) | Jp Park  | 2020-05-29 | 0 |
| 20 | 20th LS(200526) Ch11. Measures of Center(P587) | Jp Park | 2020-05-27 | 0 |
| 19 | 19th LS(200523) Ch10. Radical Function (P571) | Jp Park | 2020-05-24 | 0 |
| 18 | 18th LS(200522) 9.6 Solving Nonlinear System Eqs (P529) | Jp Park | 2020-05-22 | 1 |
| 17 | 17th LS(200519) 9.2 Solving Quadratic Eqs by graphing (P496) | Jp Park | 2020-05-20 | 0 |
| 16 | 16th LS(200516) 8.6 Comparing Function(P463) | Jp Park | 2020-05-17 | 0 |
| 15 | 15th LS(200514) 8.2 Graphing Quadratic Function(P426) | Jp Park | 2020-05-15 | 0 |
| 14 | 14th LS(200512) 7.7 Factoring Special Products(P398) | Jp Park | 2020-05-13 | 0 |
| 13 | 13th LS(200509) 7.2 Multiplying Polynomial(P368) | Jp Park | 2020-05-10 | 0 |
| 12 | 12th LS(200507) 6.4 Exponetail Growth and Decay(P318) | Jp Park | 2020-05-08 | 0 |
| 11 | 11th LS(200505) 6.2 Radical and Rational exponents(P300) | Jp Park | 2020-05-06 | 0 |
| 10 | 10th LS(200502) 5.4 Solving Special System Eqs(P256) | Jp Park | 2020-05-03 | 0 |
| 9 | 9th LS(200428) 4.4 Scattering Plot(P200) | Jp Park | 2020-04-29 | 0 |
| 8 | 8th LS(200425) 4.1 Writing Linear Functions(P178) | Jp Park | 2020-04-26 | 0 |
| 7 | 7th LS(200423) 3.6 Transformation(P150) | Jp Park | 2020-04-24 | 0 |
| 6 | 6th LS(200421) 3.3 Function Notation(P126) | Jp Park | 2020-04-22 | 1 |
| 5 | 5th LS(200417) 2.6 Solving Absolute Inequality Eqs(P99) | Jp Park | 2020-04-18 | 1 |
| 4 | 4th LS(200414) 2.3 Solving Inequality Eqs(P72) | Jp Park | 2020-04-15 | 1 |
| 3 | 3rd LS(200411) 1.4 Solving Two Absolute variables(P29) | Jp Park | 2020-04-12 | 2 |
| 2 | 2nd LS(200409) 1.2 Solving Multiple Step(P16) | Jp Park | 2020-04-10 | 2 |
