Happy Thanksgiving (with Math Terms)

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Across
  1. 2. HAPPY "" DAY
  2. 5. NUMBER BELOW THE LINE IN A FRACTION
  3. 6. LETTER IN MATH (REPRESENTS AN UNKNOWN #)
  4. 7. MONTH OF THANKSGIVING
  5. 8. NUMBER IN FRONT OF VARIABLE
  6. 10. INVERSE OPERATION TO DIVISION
  7. 12. NUMBER ABOVE THE LINE IN A FRACTION
  8. 14. INVERSE OPERATION TO MULTIPLICATION
  9. 15. INVERSE OPERATION TO ADDITION
Down
  1. 1. THANKSGIVING DESSERT
  2. 3. INVERSE OPERATION TO SUBTRACTION
  3. 4. TERMS WITH THE SAME VARIABLE RAISED TO THE SAME POWER
  4. 9. WHAT SEASON IS THANKSGIVING IN?
  5. 11. MASHED _________ & SWEET _________
  6. 13. BEST SUBJECT EVER!!!!!