| Recipient | Post | Date |
| Bunuel | The numbers 0, 1, 2, 3, 4, 5, 6, 7, 8, and 9 are to be arranged around | 21-May-2021 |
| CaptainOfMySoul | Re: If four integers, a, b, c, and d are chosen at random with replacement | 21-May-2021 |
| Bunuel | If four integers, a, b, c, and d are chosen at random with replacement | 21-May-2021 |
| vitorpteixeira | If z^2 – 4z > 5, which of the following is always true? | 16-May-2021 |
| virtualanimosity | A container has 3 liters of pure wine. 1 liter from the container is | 16-May-2021 |