Acomposition of two isometries results in

a.
an increase in size
b.
preservation of length
c.
the same orientation
d.
a reduction in size

A composition of two isometries results in preservation of length. The correct option among all the options that are given in the question is the second option or option "B". The other options can be easily negated. I hope that this is the answer that has actually come to your help.

5/8 beds for each square yard

12+3b -1=-5-b -12-1+5=-b-3b -8=-4b