hello! again need your help! i dont need the specific answer. can you tell me how to
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hello! again need your help! i dont need the specific answer. can you tell me how to solve the questions 8) to 11)? like what formula should I use. thanksss!
![image text in transcribed](https://s3.amazonaws.com/si.experts.images/answers/2024/06/667bf5202f1c8_712667bf5201bc4a.jpg)
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