Pre-AlgebraOct 15, 20251 min readWe watched lesson 9 in class today. HW is 9A & 9D & study for a test over ch. 8 tomorrow.https://digital.demmelearning.com/prealgebra/9/Lesson_9_-_Solve_For_An_Unknown/231Choose and click: 'Student'Enter login information: Geo1MathRocks3