The perimeter of square tile is represented by
and value of p(4) is 16 unit.
Since, Perimeter is the distance around the outside of a shape.
We know that all four sides of square are equal.
So that, perimeter of square tile is four times of side of square.
Therefore, 
And 
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Answer:
81
Step-by-step explanation:
perfect-square trinomial form: a² +2ab +b²
a = x
2ab = 18x = 2 * x * 9
c = 9*9 = 81
1/3 because if you cut a cake into 3 parts you will have a lot more but 0.3 of a cake is not a lot.
Answer:
B
Step-by-step explanation: