A city worker descends 3 meters under ground level to fix a pipe. She then descends 4 more meters under ground to fix a second pipe. What is her position in relation to ground level? Which statements are true about this problem?

There is more than one correct answer. Select all that apply.

One of the addends is −3.
One of the addends is 4.
The worker is −7 meters from ground level.
At the end of the problem, the worker is above ground level.
Solve the problem 4+3 to find the relationship to ground level.