26:22

CHEMISTRY GRADE 12 UNIT 4 LESSON 5 EXERCISE 4.2

27:34

CHEMISTRY GRADE 12 UNIT 4 LESSON 7 SYNTHETIC POLYMERS

17:58

CHEMISTRY GRADE 12 UNIT 4 LESSON 6 CLASSIFICATION OF POLYMER

31:10

MATHEMATICS GRADE 11 UNIT 5 LESSON 7 NORM OF VECTORS PART TWO

25:13

MATHEMATICS GRADE 11 UNIT 5 LESSON 6 NORM OF VECTORS PART ONE

31:37

MATHEMATICS GRADE 11 UNIT 5 LESSON 5 UNIT VECTORS

37:05

MATHEMATICS GRADE 11 UNIT 5 LESSON 4 MULTIPLICATION OF VECTORS BY SCALARS

21:47

MATHEMATICS GRADE 11 UNIT 5 LESSON 3 SUBSTRACTION OF VECTORS

36:31

MATHEMATICS GRADE 11 UNIT 5 LESSON 2 ADDITION AND SUBTRACTION OF VECTORS

35:35

MATHEMATICS GRADE 11 UNIT 5 LESSON 1 REVISION OF VECTORS AND SCALARS

15:23

BIOLOGY GRADE 11 UNIT 4 LESSON 7 MITOSIS CELL DEVISION

17:42

BIOLOGY GRADE 11 UNIT 4 LESSON 6 THE INTERPHASE STAGE OF THE CELL CYCLE

18:41

MATHEMATICS GRADE 11 UNIT 4 LESSON 6 DETERMINANT AND ELEMENTARY OPERATION

21:48

MATHEMATICS GRADE 11 UNIT 4 LESSON 5 PROPERTIES OF DETERMINANTS

24:58

MATHEMATICS GRADE 11 UNIT 4 LESSON 4 COFACTOR AND EXPANSION OF DETERMINANT ALONG ANY ROW

22:55

MATHEMATICS GRADE 11 UNIT 4 LESSON 3 DETERMINANTS OF MATRICES OF ORDER THREE

28:04

MATHEMATICS GRADE 11 UNIT 4 LESSON 2 MINOR AND COFACTORS OF ELEMENTS OF MATRICES

15:44

MATHEMATICS GRADE 11 UNIT 4 LESSON 1 DETERMINANTS OF MATRICES OF ORDER TWO

22:49

BIOLOGY GRADE 11 UNIT 4 LESSON 5 STRUCTURE AND FUNCTION OF RNA

25:27

BIOLOGY GRADE 11 UNIT 4 LESSON 4 THE FUNCTION OF DNA

16:33

CHEMISTRY GRADE 12 UNIT 4 LESSON 4 CONDENSATION POLYMERIZATION

24:04

MATHEMATICS GRADE 11 UNIT 3 L ESSON 19 REVIEW EXERCISE ON UNIT 3 PART THREE

19:18

MATHEMATICS GRADE 11 UNIT 3 LESSON 18 REVIEW EXERCISES ON UNIT 3 PART TWO

21:46

CHEMISTRY GRADE 12 UNIT 4 LESSON 3 STEPS OF ADDITION POLYMERIZATION

18:11

CHEMISTRY GRADE 12 UNIT 4 LESSON 2 POLYMERIZATION REACTION

16:51

CHEMISTRY GRADE 12 UNIT 4 LESSON 1 INTRODUCTION TO POLYMERS

17:52

CHEMISTRY GRADE 12 UNIT 3 L 29 REVIEW EXERCISE ON UNIT 3 PART TWO

20:09

MATHEMATICS GRADE 11 UNIT 3 LESSON 17 REVIEW EXERCISE ON UNIT 3 PART ONE

34:58

MATHEMATICS GRADE 11 UNIT 3 LESSON 16 APPLICATION

20:33

MATHEMATICS GRADE 11 UNIT 3 LESSON 15 INVERTIBLITY OF MATRIX AND ELEMENTARY ROW OPERATIONS

32:13

MATHEMATICS GRADE 11 UNIT 3 LESSON 14 INVERSE OF SQUARE MATRIX

25:39

MATHEMATICS GRADE 11 UNIT 3 LESSON 13 SOLUTION OF SYSTEM OF LINEAR EQUATION

27:13

MATHEMATICS GRADE 12 UNIT 4 LESSON 3 LINEAR INEQUALITIES IN TWO VARIABLES AND GRAPHICAL SOLUTION

20:39

MATHEMATICS GRADE 12 UNIT 4 LESSON 2 WORD PROBLEMS OF LINEAR INEQUALITY

28:58

MATHEMATICS GRADE 12 UNIT 4 LESSON 1 GRAPHICAL SOLUTIONS OF SYSTEM OF LINEAR INEQUALITIES

21:42

BIOLOGY GRADE 11 UNIT 4 LESSON 3 GENE AND CHROMOSOME

27:54

BIOLOGY GRADE 11 UNIT 4 LESSON 2 STRUCTURE AND FUNCTION OF DNA AND RNA

23:20

BIOLOGY GRADE 11 UNIT 4 LESSON 1 THE GENETIC MATERIAL

18:46

BIOLOGY GRADE 12 UNIT 4 LESSON 4 BIOCHEMICAL ORIGION (ALBIOGENESIS)

19:53

BIOLOGY GRADE 12 UNIT 4 LESSON 3 LOUIS PASTEUR'S EXPERIMENT DISPROVES SPONTANEOUS GENERATION

17:49

BILOGY GRADE 12 UNIT 4 LESSON 2 THE THEORY OF SPONTANEOUS GENERATION

21:02

MATHEMATICS GRADE 11 UNIT 3 LESSON 12 SOLUTION SET OF SYSTEM OF LINEAR EQUATION

17:25

MATHEMATICS GRADE 11 UNIT 3 LESSON 10 ROW ECHELON FORM (REF) OF MATRIX

20:45

MATHEMATICS GRADE 11 UNIT 3 LESSON 11 SYSTEM OF LINEAR EQUATION WITH TWO OR THREE VARIABLES

22:47

MATHEMATICS GRADE 11 UNIT 3 LESSON 9 ELEMENTARY OPERATION

17:09

MATHEMATICS GRADE 11 UNIT 3 LESSON 8 TRIANGULAR MATRIX

18:58

BIOLOGY GRADE 12 UNIT 4 LESSON 1 EVOLUTION

34:43

BIOLOGY GRADE 10 UNIT 3 LESSON 20 REVIEW EXERCISE ON UNIT 3 PART THREE

31:45

BIOLOGY GRADE 10 UNIT 3 LESSON 19 REVIEW EXRCISE ON UNIT 3 PART TWO

31:07

BIOLOGY GRADE 10 UNIT 3 LESSON 18 UNIT SUMMARY AND REVIEW EXERCISE ON UNIT PART ONE

25:18

BIOLOGY GRADE 10 UNIT 3 LESSON 17 DNA

24:52

BIOLOGY GRADE 10 UNIT 3 LESSON 16 NUCLEIC ACIDS

16:03

BIOLOGY GRADE 10 UNIT 3 LESSON 15 RESPIRATORY PIGMENTS

24:40

BIOLOGY GRADE 10 UNIT 3 LESSON 14 GLOBULAR PROTIENS

18:26

BIOLOGY GRADE 1O UNIT 3 L ESSON 13 EXAMPLES OF SOME AMINO ACIDS

27:09

MATHEMATICS GRADE 12 UNIT 3 LESSON 26 REVIEW EXERCISE ON UNIT 3 PART SIX

25:47

MATHEMATICS GRADE 12 UNIT 3 LESSON 25 REVIEW EXERCISE ON UNIT 3 PART FIVE

22:56

MATHEMATICS GRADE 12 UNIT 3 LESSON 24 REVIEW EXERCISE ON UNIT 3 PART FOUR

27:49

MATHEMATICS GRADE 12 UNIT 3 LESSON 23 REVIEW EXERCISE ON UNIT 3 PART THREE

27:37

MATHEMATICS GRADE 12 UNIT 3 LESSON 22 REVIEW EXERCISE ON UNIT 3 PART TWO