math crossword

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Across
  1. 4. /
  2. 7. width times height
  3. 12. a scatter plot that has a relationship with its variables
  4. 13. length times width times height
  5. 14. half a circle
  6. 16. x
  7. 19. I=P(1+r)t2
Down
  1. 1. a2+b2=c2
  2. 2. 3.14
  3. 3. a line that measures the average correlation on a scatter plot
  4. 5. represents values for two different variables
  5. 6. a scatter plot that has no relationship with the variables
  6. 8. the steepness of a line on a graph
  7. 9. -
  8. 10. full circle
  9. 11. %
  10. 15. +
  11. 17. the rate at which a graph is measured
  12. 18. I=PRT