Which 2 statements are true

What is the value of m in the equation 1/2 m - 3/4n=16 when n=8

What is the interquartile range (iqr) of the data set represented by this box plot?

Which lines are parallel? justify your answer. lines p and q are parallel because same side interior angles are congruent. lines p and q are parallel because alternate exterior angles are congruent lines l and m are parallel because same side interior angles are supplementary lines l and m are parallel because alternate interior angles are supplementary.