Math unit 3

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Across
  1. 3. instrument-a device created or adapted to make musical sounds
  2. 7. have a pleasing and impressive appearance, suggesting health and strength
  3. 9. horizontal measurement or distance measured from side to side
  4. 10. branch of mathematics that studies algebraic structures and the operations they use.
  5. 11. that's not planned or arranged but seems like it is
  6. 12. proportional comparison of some quantity across the globe
  7. 13. travel company for student expeditions
Down
  1. 1. say something in return
  2. 2. mathematical study of continuous change, providing tools to measure how things change at any given moment
  3. 4. note-symbols that denote a musical sound
  4. 5. mathematical study of continuous change, providing tools to measure how things change at any given moment
  5. 6. class-between two thirds and double the median income for their state or city
  6. 8. sphere that is slightly flattened at the poles and bulges at the equator