Answer:
13
Step-by-step explanation:
Diagonals of a rhombus are perpendicular bisector.
Hence, triangle ABE so formed would be a right triangle right angled at E.
Therefore, by Pythagoras theorem:

to be honest I agree that would be 6s
I think it might be x + b square
Answer:
2j = t (total)
Step-by-step explanation:
2 (books) times j(pounds) = total