Well, this question isn't really fair, considering that those sides aren't possible to make a square since a square has 4 congruent sides.
Answer:xy6
Step-by-step explanation:
The Answer Is 6x
Hope This Helps
Answer: 8
Step-by-step explanation:
Given: Pedro cut a sheet of poster board into 10 equal parts.
let x be the total sheet.
then, one part of sheet=
of the sheet
Now, His brother used some of the poster board and now 8/10 is left.
Therefore, if Pedro wants to make a sign from each remaining part of the poster board.
then, The number of signs he can make= 
Hence, Pedro can make 8 signs.