Answer Key to Workbook - Grade 9 Math. Includes detailed solutions to all exercises. More info and free material can be found athttp://ibmathworkbooks.webnode.es/The index of the book is as follows:CHAPTER 1 - ALGEBRA 1.1 Order of operations1.2 Introduction to fractions1.3 Decimals and fractions1.4 Exponents1.5 Algebraic expressions1.6 Percentages1.7 Types of numbers1.8 Roots and rationalization1.9 Interval notation and inequalities1.10 Evaluating...