Math

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Across
  1. 1. not a whole number but an amount of it
  2. 3. a letter that resembles an unknown number
  3. 4. y=mx+b
  4. 5. greater than or equal to zero
  5. 7. removing a variable to solve an equation
Down
  1. 2. less than zero
  2. 4. put a number in the place of a variable
  3. 5. two lines that don't intersect
  4. 6. showing your answer using a diagram