An operation that is done to a value and it stays the same, it is called the "identity property".
Some quick examples:
Adding any number with zero will result in the same number.
Multiplying any number with one will result in the same number.
Hope this helps!
Length of AB=Length of A'B' because they are corresponding sides.
The answer is B. (-1,3) hope this helped
Flour has more because flour has 16/24 and blueberries has 15/24