math

plz help ASAP
1.
3w – 10w (1 point)

13w
–7w
–7
7w

2.
y + 2y + 3z
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. 2y + 3z
3. 2r
4. 7x + 12
5. 18
am I correct?

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  1. 1. Correct

    2.

    y + 2 y + 3 z = ( y + 2 y ) + 3 z = 3 y + 3 z = 3 ( y + z )

    3. Correct

    4. Correct

    5. Correct

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  2. here's number two again
    y + 2y + 3z
    1. 2y + 3x
    2. 3y + 3z
    3. 2y2 + 3z
    4. 3yz

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  3. Are you kidding?

    y + 2 y + 3 z = 3 y + 3 z

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  4. oh im srry i thought that u forgt to answer that one my bad

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  5. * forgot

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