Hidden figures

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Across
  1. 4. (cloth, clothing, or soft furnishings) becoming thin and tattered with age.
  2. 6. having developed certain abilities or inclinations at an earlier age than is usual or expected.
  3. 8. enlist (someone) compulsorily, typically into the armed services.
Down
  1. 1. a women's student organization formed chiefly for social purposes and having a name consisting of Greek letters.
  2. 2. written or spoken communication or debate.
  3. 3. producing a great deal of profit.
  4. 5. make (a liquid) turbid or muddy by disturbing the sediment.
  5. 7. extreme self-confidence or audacity.