Find $MQ$ in parallelogram $LMNQ$ . A parallelogram L M N Q with both diagonals meeting at point P. Angle Q L M and angle N Q M are labeled 100 degrees and 29 degrees respectively. The lengths of segments P M and P N are labeled 8.2 and 7 respectively. The length of sides M N and Q N are labeled 8 and 13 respectively. $MQ=$