| Answer | Crossword Clue |
|---|---|
| SPACESHIP | X-15 may be the first. |
| COURSE | Salad may be the first one |
| LINEONE | What the first caller may be on |
| BASEMAN | He may be first, second or third on the diamond |
| BASEMAN | He may be first, second, or third in the field |
| IIII | It may be opposite X |
| BALLOT | It may be marked with an X |
| AXIS | It may be labeled x or y on a graph |
