Final answer:
The length of the segment with endpoints (11, 5) and (-3, -18) is approximately 26.94 units.
Step-by-step explanation:
The length of a segment with endpoints (11, 5) and (-3, -18) can be found using the distance formula, which is based on the Pythagorean theorem. The formula is:

Where (x1, y1) and (x2, y2) are the coordinates of the endpoints.
Plugging in the values, we get:




d ≈ 26.94
So, the length of the segment is approximately 26.94 units.