The trial court properly denied a residential care facility’s motion to compel arbitration.  The facility’s arbitration agreement was signed by the admitted resident’s son, not the resident.  The resident was not mentally incompetent at the time of admission, and he had not designated his son his attorney in fact, or agent.  The resident didn’t ratify the arbitration agreement by not rescinding it within 30 days as allowed by its terms.  There was no evidence that the resident was aware of the agreement or its terms.  Also, there was no evidence that the resident had, by word or conduct, led the facility to believe the son was his agent.