Algebra final

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Across
  1. 3. (8x^2-1)+(4x^2-3x)
  2. 6. -2x^4-20x^3-18x^3
  3. 9. A letter b divided by thirty-six
Down
  1. 1. C=5/9(F-32)
  2. 2. √48=√16*√3
  3. 4. -6x^4y^3(14x^2y^5)
  4. 5. what does the full part of the circle does the figure represent? Answer with a fraction. The figure is 40°
  5. 6. (-3,8)(2,11)
  6. 7. 2(x+1)>3(2x-4)
  7. 8. -4x-2y=-12.