DND's Crossword #20 & #21 08/10 & 11/26

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Across
  1. 2. -6.667 degrees Celsius as Fahrenheit
  2. 3. [Two Words] Perfect eyesight
  3. 6. Mathematical problem asked to be calculated as a rebuttal to one not being stupid ("no I'm not!")
  4. 8. 20-sided polygon
  5. 12. Popular "roaring" era
  6. 13. Fast Food company that offers the $20 fill up box
  7. 14. [TWO WORDS-ish] Pandemic year, typed out fully
  8. 15. President on the 20 dollar bill
Down
  1. 1. 5cm * 4cm is an equation for what
  2. 2. [TWO WORDS] Popular game on GamePigeon where you ask a limited amount of questions to guess SOMETHING
  3. 4. Type of numerals for XX, which represents the theme of this puzzle
  4. 5. If I have this coin and took away a nickel, I'd have 20ยข
  5. 7. 21 is the name of the game
  6. 9. Every 20 years
  7. 10. [TWO WORDS-ish] Jump street
  8. 11. [TWO WORDS-ish] [CONTAINS #] Die used in Dungeons and Dragons