The temperature at 8:00 A.M. on January 26 last year was 5AdC. It rose 1 1AdC by 2: 00 P.M. Then it dropped 6AdC by 5:30 P.M. What was the temperature at 5:30 P.M. ? ... This optional chapter is provided primarily for those students who intend to elect a course in algebra one. ... INTRODUCTION TO ALGEBRA The answers to the odd-numbered exercises are provided in the back of the student textbook. M- 8anbsp;...