Can You Get It All RIGHT?!?!

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Across
  1. 3. its one class you need to pass
  2. 4. 9__3=6
  3. 6. 6__8=14
Down
  1. 1. she is who shows us what to do.
  2. 2. what kind of problem is this 12<x+5?
  3. 5. what are these called12,19,25..