MATH

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Across
  1. 3. Improper _______
  2. 5. negative divided by a negative
  3. 6. 3 sided shape
  4. 8. keep, change, ________
  5. 10. A common variable
  6. 11. The center of a graph
  7. 14. opposite of subtraction
  8. 16. Straight line going through the origin
  9. 18. Distance from a number to zero
  10. 19. bottom of a fraction
  11. 21. 2 lines that never meet
Down
  1. 1. opposite of addition
  2. 2. greater than a 90 degree angle
  3. 4. opposite of multiplication
  4. 7. -17 + 33
  5. 9. less then a 90 degree angle
  6. 12. negative divided by a positive
  7. 13. top of a fraction
  8. 15. opposite of division
  9. 17. measurement
  10. 20. -13 + 25