PLEASE Help very urgently, it is necessary very urgently who the first I sharpen the best I will put

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1.a)-18 b)-20 c) 5 2. A) gt; b) lt; 3.-4;-3;-2;-1;0;1;2 4.a7;-8; in-12 5.-11;12;-9 6.7;-22;-16 7.-3;-35;-12 8.-9;-5 Now I will write an additional part...
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Answer add