Interesting...

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Across
  1. 3. Math point far away from the main line (of best fit)
  2. 6. In a careful way not to mess up (a kind of synonym to another one, but this one starting with t)
  3. 8. Repetition of beginning phrases (figure of speech)
  4. 11. The same thing as something else :/ used in math sometimes and longer word of "equal"
  5. 12. An age in human history that is also a chat!
  6. 14. Something that some people don't have :(
  7. 15. Go around to not get in the way
  8. 17. The temperature (starting with c). Also ___ change.
Down
  1. 1. Crazy and insecure
  2. 2. A type of math shape that seems like a curve. It's created by a quadratic equation and graphing it.
  3. 4. Extra unnecessary words :/ (figure of speech)
  4. 5. You'll never escape from it...
  5. 7. What the world will become... Plain and dark and gloomy...
  6. 9. Longer word of "math"
  7. 10. In a careful way (starts with d)
  8. 13. It SEES you... and I guess it's on your face
  9. 16. A cold season (yeah if you fail this idk what to say)