a driver is below the surface of the water at - 15m. he dives down by 6m, then rises 4m where is he now

Given:

A driver is below the surface of the water at - 15m. he dives down by 6m, then rises 4m.

To find:

The current location of the driver.

Solution:

In this problem, negative sign is used for downward direction or the distance below the surface of the water.

Initial location = -15 m

Dives down by 6m, it means - 6m,  then rises 4m, it means 4 m.

Now, the current location is

Therefore, the correct location of the driver is at -17 m it means her is 17 m  below the surface of the water.

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step-by-step explanation: