Question

A dolphin went 15 feet below sea level to catch a fish. A shark went twice as deep, then swam down an additional 10 feet to catch a larger fish. Which expression represents the shark’s position in relation to sea level?

Answer 1

The shark is 40 feet below sea level. :)

On a coordinate plane, the shark would be at -40, while the sea level would be at the origin.

Answer 2

A

Explanation: