Answer:
4th one
Step-by-step explanation:
The correct answer is C. (5x+3) feet, and here is how I got it.
This is the equation you need to use:
(a+b)^2 = (a+b) (a+b)
So, let us plug in 5x and 3 here:
(5x+3)^2 = (5x+3)(5x+3) = 25x^2 + 15x + 15x + 9 = 25x^2 + 30x + 9 which is the area of the garden.
√30 = 5.47722557505
so 5.5ft × 5.5ft ≈ 30ft²
I hope I helped
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Answer:
4
Step-by-step explanation: