Jacks crossword

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Across
  1. 2. a bit fat
  2. 5. the x axis
  3. 7.
  4. 8. (-45,87)
Down
  1. 1. a cold file
  2. 3. top left is quadrant 2 I think
  3. 4. rhymes with what is a bit fat
  4. 6. jaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaam