TABLE OF CONTENTS End of Section Exercise Solutions ....................................................................................... 1 Exercises R.1 .................................................................................................................................. 1 Exercises R.2 .............................................................................................................................. 19 Exercises R.3 .............................................................................................................................. 43 Exercises R.4 ............................................................................................................................. 66 Exercises R.5 .............................................................................................................................. 92 Exercises R.6 ............................................................................................................................. 115 Chapter Review Solutions ................................................................................................ 144 Chapter Test Solutions .................................................................................................... 167 Group Activity Solutions ................................................................................................... 175 END OF SECTION EXERCISE SOLUTIONS EXERCISES R.1 Getting Ready Complete these just-in-time review problems to prepare you to successfully work the practice exercises. 1. Simplify. 10 – 20 Solution 10 20 10   2. Simplify. 5 – (–10) Solution 5 10 15     3. Division by what number is undefined?