Pablo's puzzle

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Across
  1. 4. A fraction of a number
  2. 5. -
  3. 8. plot with dots
  4. 10. a form of action
  5. 12. A=P(1+r)t
  6. 13. flipping cc’s 90°
  7. 14. a statement
  8. 16. a mirror like thing
  9. 18. +
  10. 19. Liquid that fills a container
Down
  1. 1. I=prt
  2. 2. vertical line
  3. 3. increase or decrease in size
  4. 6. 2/diameter
  5. 7. center of a scatterplot
  6. 9. Double the length of the radius
  7. 11. O
  8. 12. end goal of a circle
  9. 15. horizontal line
  10. 17. y=Mx+b