A pair of Rayville residents received moderate injuries in a crash late Friday night in Clay County.  The Highway Patrol reports Nicole Slack, 16, of Lawson, was southbound on Highway 69 when she turned into the path of a motorcycle driven by Terry Floryancic, 61.  He and his passenger, Kendra Floryancic-Hough, 49, were transported to North Kansas City Hospital.  Slack was not injured.