| Answer | Crossword Clue |
|---|---|
| TIE | 20-20 or 50-50 |
| LIFELINE | "50-50" or "phone a friend" |
| SEN | One of 50 Dems. or 50 Reps. |
| AARP | 50-year-old group for people 50 or older |
| elhi | of, relating to, or designed for use in grades 1 to 12 |
| identity | The equality of two expressions for all values of the quantities expressed by letters, or an equation expressing this, e.g., (x + 1)2 = x2 + 2x + 1 |
| identities | The equality of two expressions for all values of the quantities expressed by letters, or an equation expressing this, e.g., (x + 1)2 = x2 + 2x + 1 |
