7. If 64 is added to the difference between thesquare of a number and 16 times the number,the result is zero. Find the number.C. 7D. 12A. 8B. 9Two trains depart from the same station at thesame time. One train travels due north at 60mphand the other due east at 80mph. When will theybe 120 miles apart.8.I2 hoursA.1.2 hoursC. 2.2 hoursD. 1.4 hoursВ.

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Answered: If 64 is added to the difference…

College Algebra

7th Edition

ISBN:9781305115545

Author:James Stewart, Lothar Redlin, Saleem Watson

Publisher:James Stewart, Lothar Redlin, Saleem Watson

ChapterP: Prerequisites

SectionP.9: Modeling With Equations

Problem 12E: Express the given quantity in terms of the indicated variable. The average of four quiz scores if...

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If 64 is added to the difference between the square of a number and 16 times the number, the result is zero. Find the number. 7. C.7 D. 12 А. 8. В. 9.