Incorrect 000 points out of 625 question 6 incorrect

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Question5Incorrect0.00 points outof 6.25Question6Incorrect0.00 points outof 6.25Anursemixes 90 ccofa 45%salinesolutionwitha 10%salinesolutiontoproducea 20%salinesolution.Howmuchofthe 10%solutionshouldheuse?The correct answer is: Solvetheproblem.a. Aaron investedatotalof $4,100,someinanaccountearning 8%simpleinterest,andtherestinanaccountearning 5%simpleinterest.Howmuchdid he investineachaccountifafteroneyear he earned $211 ininterest?a. Solvetheproblem.Anursemixes 90 ccofa 45%salinesolutionwitha 10%salinesolutiontoproducea 20%salinesolution.Howmuchofthe 10%solutionshouldheuse?The correct answer is: Select one:a.
Question7Incorrect0.00 points outof 6.25Question8Incorrect0.00 points outof 6.25Identifytherealandimaginarypartsofthecomplexnumber.11 + 13iSelect one:a. Real: 13; imaginary: 11b. Real: 11; imaginary: 13c. Real: 24; imaginary:id. Real: 11; imaginary: 13iThe correct answer is: Real: 11; imaginary: 13Performtheindicatedoperation. Writetheanswerintheforma+bi.(­5 ­ 9i)(6 + 6i)Select one:a. ­84 ­ 84ib. 24 ­ 84ic. 24d. ­30 ­ 54iThe correct answer is: 24 ­ 84i
Question9Incorrect0.00 points outof 6.25The correct answer is:

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