Complete Exercises 6-9 on the Chapter 4, Lesson 3 Study Guide: Parallel & Perpendicular Lines. Remember: two lines are... 08 Mar Algebra 8-O Homework Due Thursday Chris Bedenk | 8th Grade Homework, math | 0 Complete Exercises 6-9 on the Chapter 4, Lesson 3 Study Guide: Parallel & Perpendicular Lines. Remember: two lines are...