Answer:
- n < 4
- n ≥ -18
- n ≥ -2
Explanation:
We can let "n" represent "a number" in each case. The translation is pretty direct. The symbol "<" is used for "is less than", and the symbol "≥" is use for "is greater than or equal to" or "is at least."
1. "a number is less than 4" . . . . n < 4
2. "a number is greater than or equal to -18" . . . . n ≥ -18
3. "a number is at least -2" . . . . n ≥ -2