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