To find area, you multiply length * width. There are 4 sides on a number, so we need to have a equation like this. x * x * y * y = 12cm. If we do 4 * 4, we get 8. We could also use 2 * 2 = 4. 8 + 4 = 12. So, width = 8, and length = 4.
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Well it boils down to 18 - (4 + 9) which is 18 - 13 or 5. So the answer is 5 in this equation.
Answer: 517
Step-by-step explanation: