Simplifying expressions, I just need questions 8-18... help me please

1.) 3x-11
2.) -18x-35
3.) 13x+8
4.) -28x-16
5.) -7x+23
6.) -2x-57
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A binomial experiment satisfies four conditions. It should have four number of trials. Each trial should be independent of the other trials. Outcomes should only be two. Finally, the probability of both outcome should be constant for each trial. I think the correct answer is C, Rolling a six-sided number cube and recording the number until an even number comes up.