Respuesta :

Answer:

The new position of the bird is 1 ft below surface of pond.

Step-by-step explanation:

- Position of water bird after 15ft dive:

11-15= -4ft

- Position of water after rising 3 feet:

-4+3= -1ft

Therefor it id 1ft below the surface of the pond

Answer:

The water bird is negative 1 or -1 feet in the water.

Step-by-step explanation:

11 - 15 = -4

Then the water bird rises 3 feet under water to catch a fish.

-4 + 3 = -1.

Hope this helps.