Answer:
To find the highest common factor of two (or more) numbers, make prime factors of the numbers and identify the common prime factors. Then the highest common factor is the product of the common prime factors.
Step-by-step explanation:
The perimeter would be 18
The distance between A and B is 4.5, a square's sides are even so 4.5x4 is 18.
y = 6x - 40
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