2:2 Solving Equations by Multiplication and Division. 2:3 Solving Two Step Equations. 2:4 Solving Equations with Variables on Both Sides. 2:5 Solving for a Variable. 2:6 Rates, Ratios & Proportions. 2:7 Applications of Proportions. 2:8 Percents. 2:9 Application of Percents. 2:10 Percent Increase and Decrease. Graphing Calculator. Chapter 2 Technology Lab. Quiz 2A: Chapter 2 Sections 1-5. QUIA QUIZ: 2B: Chapter 2 Sections 5-10.