Respuesta :
Answer:
-10 ft
Step-by-step explanation:
I represent "below sea level" as negative numbers, so 25 ft below sea level would be a -25 ft. Since the diver swims up, or increases by 15 ft, I'd add that.
-25 + 15 = - 10
I hope this helped!
Since “below sea level” equals negative so -25+15 equals -10