Respuesta :

Answer:

40 feet below sea level

Step-by-step explanation:

- 20 feet - 20 feet

crunchysoda01

Answer:

-40 feet below sea level

Step-by-step explanation:

If Dario is at -20 feet relative to sea level, then descends 20 feet, add -20 (because they are descending) feet to -20 feet. -20+-20 simplifies to -20-20, which equals -40 feet below sea level.