interactivestudenteditionAuthorsDay•Frey•Howard•HutchensLuchin•McClain•Molix-BaileyOtt•Pelfrey•PriceVielhaber•WillardCopyright©2008byTheMcGraw-HillCompanies,Inc.Allrightsreserved.ExceptaspermittedundertheUnitedStatesCopyrightAct,nopartofthispublicationmaybereproducedordistributedinanyformorbyanymeans,orstoredinadatabaseorretrievalsystem,withoutpriorpermissionofthepublisher.Sendallinquiriesto:Glencoe/McGraw-Hill8787OrionPlaceColumbus,OH43240-4027ISBN:978-0-07-877848-3MHID:0-07-877848-4PrintedintheUnitedStatesofAmerica.12345678910043/02716151413121110090807AbouttheCoverIn1880,thefirstSanDiegoCountyFairwasorganizedtobringareafarmerstogethertoshareideasandholdcompetitions.SincethenthefairhasbeenheldalmosteveryyearanditspermanenthomeinDelMarwasopenedin1936.ThefairisnowoneofthelargestintheUnitedStateswithanaveragedailyattendanceover54,000people.You’lllearnhowtocomputeaveragesandfindotherstatisticalmeasurementsinChapter9.AbouttheGraphicsCreatedwithMathematica.Arectangulararrayofcirclesisprogressivelyenlargedandrotatedrandomly.Formoreinformation,andforprogramstoconstructsuchgraphics,AuthorsDay•Frey•Howard•HutchensLuchin•McClain•Molix-BaileyOtt•Pelfrey•PriceVielhaber•Willard000i-xxviiiFM-877848.inddi000i-xxviiiFM-877848.inddi11/16/063:31:04PMStartSmart:BeaBetterProblemSolverUnit1AlgebraandFunctions1IntroductiontoAlgebraandFunctions2Integers3Algebra:LinearEquationsandFunctionsUnit2NumberSense:Fractions4Fractions,Decimals,andPercents5ApplyingFractionsUnit3AlgebraandNumberSense:ProportionsandPercents6RatiosandProportions7ApplyingPercentsUnit4Statistics,DataAnalysis,andProbability8Statistics:AnalyzingData9ProbabilityUnit5GeometryandMeasurement10Geometry:Polygons11Measurement:Two-andThree-DimensionalFiguresStandardsReview12LookingAheadtoGrade7:GeometryandMeasurementiiiContributingAuthorVikenHovsepianProfessorofMathematicsRioHondoCollegeWhittier,CaliforniaAuthorsRhondaJ.Molix-BaileyMathematicsConsultantMathematicsbyDesignDeSoto,TexasRogerDay,Ph.D.MathematicsDe...