Which expression represents the sum of (2x - 5y) and (x + 2y)?

Abe is a triangle. can you use the sss postulate or the sas postulate to prove triangle abc = triangle aed? by sss only neither apply both apply by sas only

What are the exclude value of mn+3m

The midpoints of the sides of the large square are joined to form a smaller square. what is the area of the smaller square