i dont really see your question but ok....
Answer:
Length in feet is equal to
, where P is the perimeter
Step-by-step explanation:
Let the width (W) of the yard be "X"

Then the length(L) of the yard will be


The perimeter of the yard will be equal to the sum of twice the length and width of the yard
Thus,

Substituting the given values in above equation, we get -

Thus, width in terms of perimeter is equal to

Length in feet is equal to 
Answer:
Step-by-step explanation:
As square roots has to be positive, there is no positive value for x which will satisfy the equation. As there is also a negative number outside the square root, the graph will have negative y-values for every x-value.
135x6 equals 810 thAt is the answer