Answer:
QA=1.2
Step-by-step explanation:
AM is the total line segment and QM is one of two parts that the line was separated into.
Simply subtract the segment (QM) from the total (AM) to find the missing piece (QA)
So you would have 8.5-7.3, which is equal to 1.2
Therefore, QA=1.2
Hope this helps!