Question

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Answer 1

Answer:

Please refer the attachments.

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Answer 2

1. x+y

2. -15a^3 b^3

3. -6x^2 y^2

4. algebric expression

5. x = 4*5/2

   x = 10

6. transposition

7. 3x - 4 = 1-2

   3x + 2x = 4 +1

   5x = 5

   x = 5/5

   x =1

8. c^2 = a^2 + b^2

   c^2 = 7^2 + 24^2

   c^2 = 49 = 576

   c^2 = 625

   c = 25^2

9. x/100 * 50 = 10

   50x/100 = 10

   50x = 1000

     x = 1000/50

     x = 20