Which number is a factor of 12 but not a multiple of 3

4, because four times three equals twelve . Which means that it is a factor of 12. 4 is not a multiple of 3

maximum area = xy = (16)(32) = 512 ft2

to maximize the area of the garden, the side of the fence parallel to the side of the house should be 32 ft long, and the other two sides should both have length 16 ft.'

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