PLEASE HELP!!!!!!!!!!!!!! DUE IN 5 MINUTES AND IF I GET THIS WRONG I GET A BAD GRADE!!!!!!!!!!!!!After swimming to a depth of 50 feet below the surface of the water, a fish swims back up 30 feet. Use a number line to help you create an equation that shows the new location of the fish in relation to the water’s surface.
Interpret the sum in the context of the problem. Choose the correct answer.

A.
The equation is –50 + (–30) = –80. The fish is 80 feet below the water’s surface.

B.
The equation is –50 + (–30) = –20. The fish is 20 feet below the water’s surface.

C.
The equation is –50 + 30 = –80. The fish is 80 feet below the water’s surface.

D.
The equation is –50 + 30 = –20. The fish is 20 feet below the water’s surface.