Question

A hole in the ground is 3 feet deep. A pile of dirt next to the hole is 3 feet high. Which list best uses the values – 3,0, and 3 to describe these elevations?

Answer 1

1) Let's sketch this to understand it better

Taking the ground as 0, we can write the hole to be -3 feet below the surface and the peak of the pile as positive 3 over the surface, regarding the surface level as 0.