Answer:
86: The basketball team scored 86 points
50: You deposited $50 in your bank account
8: A dolphin jumped 8 feet out of the water
-86: The elevation of Death Valley is 86 meters below sea level
-50: Eva withdrew $50 out of her account
-8: The temperature dropped 8 degrees
Step-by-step explanation:
In the bank situation you are losing or gaining something for example Eva withdrew $50 out of her account, since her bank account has less money in it its negative 50 and vice versa with depositing 50 in the bank account (adding more money to account makes it positive 50)
