PLEASE HELP FOR MY ALGEBRA ASSIGNMENT! ANYONE!

Can someone please check my answers, it would be really helpful. Thanks to everyone that does!

1:3w-10w(1point)
13w
-7w
-7
7w**

2:y+1.2y+1.2z(1point)
2.4yz
1.3y+1.2z
1.2y(to the power of 2)+1.2z**
2.2y+1.2z

3:6r+r-5r(1point)
2r
1r+r**
0r
7r-5r

4:5x+2(x+6)(1point)
7x+6**
7x(to the power of 2)+12
7x+12
7x(x+6)

5:-3m+3(m+6)(1point)
6
-6m+6
6m+18
18

Thanks to everyone that helped, I know its not organized very well, but i tried. I was a little confused on number 5, so if someone could help me with that, then i thank them a lot. Thanks to all of you!

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  1. 1. disagree

    2. Online "^" is used to indicate an exponent, e.g., x^2 = x squared. From your data, I would say none, 2.2y + 1.2z

    3. disagree

    4. disagree

    5. What is your choice?

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