Answer: 
Step-by-step explanation:
Given
Length of board is 
It is divided into 4 equal pieces i.e. length of each piece is

If
of an inch is removed from one of the pieces then,

105 Animals....You know that because when you add together the head & feet that's adding all the animals together to get the total number of animals
I would think its D, but not totally sure
Answer:
feet
Step-by-step explanation:
Well the perimeter is the sum of all sides that means
P= lenght + width + lenght + width
P=2(lenght + width)
so
