I suggest you look at the work in the pictures I attached. It examplains how you work out the problem and what the answer is
i think maybe cna be C, im not sure, im in 7 but i try to help u
If it's a perfect square, then it's easy. However, if it's not a perfect square, use the square root button on your calculator. IF you happen to know calculus then you could use Newton's Method....but I'm thinking you're not there yet. So stick with the calculator.
you can solve option C with 6x6
