The Rockdale County school board approved a $371,224 warranty covering the school system's new tablets but not before the relationship between the contracted company - Lexicon Technologies, owned by a former school board member - and the school system was called into question by a resident Thursday night. During the meeting's public comments period, resident Sam Smiley asked the board to take another look before deciding on the contract. "Certainly the relationship looks questionable," said Smiley.