2,916 is going to be your answer, they were all multiplied by 3 hope this helps!
The ratio is 4/3 because you add AC which is 12 and then divided 9 (BC) by 12
Answer:
(a)The missing measurements are 9 feet and
.
(b)Therefore, the length of the fence is 
Step-by-step explanation:
The diagram of the yard is attached below.
(a)I have labeled the missing dimensions of the yard as x and y.
Therefore:

Similarly:

The missing measurements are 9 feet and
.
(b)Length of the Fence
The fence is rectangular shaped with:
Length = 
Width = 
Perimeter of a Rectangle = 2(L+W)
Therefore, the length of the fence

You need k by itself, so the only way to do that is to divide both sides by 5
The correct answer is 16/81. Hope this helps.