A: 66 b:28 :))) have a good day
Answer: 
Step-by-step explanation:
Given : Two opposite sides of a rectangle are each of length x.
Let the other adjacent side be y.
The perimeter of the rectangle is 12 units.
Perimeter of rectangle is given by :-

The area of rectangle is given by :-

Hence, the area as a function x = 
Answer:
By the looks of it the answer is A

let's solve ~



Therefore, the correct choice is D.)