| Answer | Crossword Clue |
|---|---|
| TAKEITORLEAVEIT | Expression involving an ultimatum |
| bivariants | BIVARIANT, an expression involving two variables |
| bivariant | involving two variables / an expression involving two variables |
| functions | A relationship or expression involving one or more variables |
| function | A relationship or expression involving one or more variables |
| mourning | The expression of deep sorrow for someone who has died, typically involving following certain conventions such as wearing black clothes |
