| Recipient | Post | Date |
| ScottTargetTestPrep | Re: A number cube with six faces, numbered 10, 20, 30, 40, 50, and 60, is | 04-May-2018 |
| ganand | Re: If a and b are positive integers, is a^4-b^4 divisible by 4? | 04-May-2018 |
| Spidy001 | Re: Satellite Sensors | 28-Mar-2018 |
| rt9 | Re: If a, b, and c represent distinct digits, what is the value of the two | 16-Jan-2018 |