Across
- 4. the quality of being unequal and even
- 5. y2-y1/x2-x1
- 7. the action of adding things together
- 8. a shape with 4 angles
- 9. 40/20*20
Down
- 1. a number with a numerator and denominator
- 2. a²+b²=c²
- 3. the study of variables
- 6. a shape with no angles
- 7. the process of taking a number away from another number