Posted by **Delilah** on Friday, December 7, 2012 at 8:13pm.

1.

3w – 10w (1 point)

13w

–7w

–7

7w

2.

y + 1.2y +1.2z (1 point)

2.4yz

1.3y + 1.2z

1.2y2 + 1.2z

2.2y + 1.2z

3.

6r + r – 5r (1 point)

2r

1r + r

0r

7r – 5r

4.

5x + 2(x + 6) (1 point)

7x + 6

7x^2 + 12

7x + 12

7x (x + 6)

5.

–3m + 3(m + 6) (1 point)

6

–6m + 6

6m + 18

18

My answers:

1. -7w

2. 2.2y + 1.2z

3. 2r

4. 7x + 12

5. 18

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