4.5 final crossword review

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Across
  1. 3. two or more numbers that can be added or multiplied in any order without changing
  2. 6. when the term must be remained unchanged
  3. 7. when adding or multiplying the group of numbers that and be changed
  4. 8. to multiply a sum of a number
  5. 10. neither positive nor negative
  6. 11. A number that never ends
  7. 14. opposites
  8. 15. a percent of the total cost of items purchased
Down
  1. 1. a tip or bonus given for services that have been provided
  2. 2. the number you must multiply by to get 1
  3. 4. a ratio that compares quantities with different units of measure
  4. 5. a equation that shows two equall ratios
  5. 9. a comparison of two quantities that can be written in 3ways
  6. 12. the distance between a number and zero on a number
  7. 13. the set of whole number that on the right are posotive and on the left are negative