2. Real Numbers
3. Polynomials
8. Triangles
11. Circles
12. Constructions
13. Heron's Formula
15. Statistics
15.3. Bar Graph
15.3.1. Drawing Bar Graphs
15.3.2. Interpreting Bar Graphs
15.4. Histogram
15.5. Frequency Polygons
15.7. Mean, Median, and Mode
16. Probability