Chapter 4: Variables & Ratios
4.1.1 Variables
4.1.2 Equal Expressions
4.1.3 Variables: using to generalize
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4.2.1 2-D shapes: enlarging
4.2.2 Shapes: Enlarging & reducing
4.2.3 Ratios: enlarging & reducing
4.2.4 Ratios: other uses
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