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  1. such a fabulous t shirt....i want it :D
  2. A. 32 sq.units the squares will get areas like these: 16..8..4..2..1..1/2..1/4..1/8..1/16.. the fragments after 1 will always result in 1...So I think it is A.
  3. It's d) 4x-9y.... if we take x = 10, y = 2, then 4x -9y = 22 which is divisible by 11, if we take x = 14, y = 5 then both 3x + 7y and 4x - 9y are divisible by 11. if we take x = 18, y = 8, then also both 3x + 7y and 4x - 9y are divisible by 11. so i think it is D.
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