Gabby and Ryan's puzzle

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Across
  1. 4. the number that occurs the most in a set of data
  2. 5. A ratio comparing a number to 100.
  3. 6. a comparison of two quantities by division Range The Difference between the greatest and least values in a data set.
  4. 7. the set of whole numbers and their opposites.
  5. 8. The vertical axis on the coordinate plane.
  6. 11. the number that indicates how many times the base is used as a number.
  7. 13. A group of items
  8. 14. area the sum of the areas of the faces or surface of the 3 dimensional figure
  9. 17. The distance around a polygon.
  10. 18. the middle number in a set of data
Down
  1. 1. Two numbers on a number line that are the same distance from zero but on different sides of zero.
  2. 2. The result when one number is divided by another.
  3. 3. A number less than zero
  4. 5. A number greater than zero
  5. 9. the horizontal axis on the coordinate plane.
  6. 10. the number that is multiplied by the variable in an algebraic expression
  7. 12. A value much greater or much less than the others in a data set.
  8. 15. the average of a set of data
  9. 16. To write a fraction or expression in simplest form.