Answer:
Explanation:
1. undefined
2.undefined
3.undefined
6. undefined
thats all i know
1: 1
2: -1
3: 1/2
4: -3
5: 1/3
6: also 1
7: people might mix up x and y and instead of doing y rise/x rise, they might do x rise/y rise
I can't see 8 9 10 or 11 so I'm going to assume thats it. Hope this helped :)
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