| 102245 | Modeling Using Variation · Exercise 19 | Medium | |
| 102247 | Modeling Using Variation · Exercise 21 | Medium | |
| 102249 | Modeling Using Variation · Exercise 23 | Medium | |
| 102251 | Modeling Using Variation · Exercise 25 | Medium | |
| 102253 | Modeling Using Variation · Exercise 27 | Medium | |
| 102255 | Modeling Using Variation · Exercise 29 | Medium | |
| 102257 | Modeling Using Variation · Exercise 31 | Medium | |
| 102259 | Modeling Using Variation · Exercise 33 | Medium | |
| 102261 | Modeling Using Variation · Exercise 35 | Medium | |
| 102263 | Modeling Using Variation · Exercise 37 | Medium | |
| 102265 | Modeling Using Variation · Exercise 39 | Medium | |
| 102267 | Modeling Using Variation · Exercise 41 | Medium | |
| 102269 | Modeling Using Variation · Exercise 43 | Medium | |
| 102271 | Modeling Using Variation · Exercise 45 | Medium | |
| 102283 | Modeling Using Variation · Exercise 57 | Medium | |
| 102285 | Modeling Using Variation · Exercise 59 | Medium | |
| 102287 | Modeling Using Variation · Exercise 61 | Medium | |
| 102289 | Modeling Using Variation · Exercise 63 | Medium | |
| 102291 | Modeling Using Variation · Exercise 65 | Medium | |
| 102299 | Modeling Using Variation · Review Exercise 73 | Medium | |
| 102301 | Modeling Using Variation · Review Exercise 75 | Medium | |
| 102307 | Modeling Using Variation · Review Exercise 81 | Medium | |
| 102309 | Modeling Using Variation · Review Exercise 85 | Medium | |
| 102311 | Modeling Using Variation · Review Exercise 87 | Medium | |
| 102315 | Modeling Using Variation · Review Exercise 91 | Medium | |
| 102317 | Modeling Using Variation · Review Exercise 93 | Medium | |
| 102319 | Modeling Using Variation · Review Exercise 95 | Medium | |
| 102325 | Modeling Using Variation · Review Exercise 101 | Medium | |
| 102327 | Modeling Using Variation · Review Exercise 103 | Medium | |
| 102329 | Modeling Using Variation · Review Exercise 105 | Medium | |
| 102333 | Modeling Using Variation · Review Exercise 109 | Medium | |
| 102335 | Modeling Using Variation · Review Exercise 111 | Medium | |
| 102337 | Modeling Using Variation · Review Exercise 113 | Medium | |
| 102339 | Modeling Using Variation · Exercise 115 | Medium | |
| 102343 | Modeling Using Variation · Exercise 119 | Medium | |
| 102348 | Modeling Using Variation · Exercise 125 | Medium | |
| 102350 | Modeling Using Variation · Exercise 127 | Medium | |
| 102352 | Modeling Using Variation · Exercise 129 | Medium | |
| 102356 | Modeling Using Variation · Exercise 133 | Medium | |
| 102362 | Modeling Using Variation · Exercise 139 | Medium | |
| 102364 | Modeling Using Variation · Exercise 141 | Medium | |
| 107178 | Dividing Polynomials · Exercise 15 | Medium | |
| 107180 | Dividing Polynomials · Exercise 17 | Medium | |
| 107183 | Dividing Polynomials · Exercise 21 | Medium | |
| 107185 | Dividing Polynomials · Exercise 23 | Medium | |
| 107187 | Dividing Polynomials · Exercise 25 | Medium | |
| 107189 | Dividing Polynomials · Exercise 27 | Medium | |
| 107191 | Dividing Polynomials · Exercise 29 | Medium | |
| 107193 | Dividing Polynomials · Exercise 31 | Medium | |
| 107195 | Dividing Polynomials · Exercise 33 | Medium | |