Answer :
Final answer:
Without the specific problems from worksheet 159, it is not possible to provide a detailed answer.
Explanation:
The question is asking about a worksheet numbered 159, with specific problems mentioned. However, the problems are not provided. So, I cannot provide a step-by-step explanation or answer specific questions without knowing the content of the problems. It would be helpful if you could provide the problems in question.
Learn more about worksheet 159 here:
https://brainly.com/question/25658086
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