2. Any rational number that can be expressed as the sum or difference of a finite number of units, being a member of the set… -3, -2, -1, 0,1,2,3…

3. Any real number of the form alb, where a and b are integers and b is not zero as 7 or 7/3.

4. A method of writing or displaying numbers in terms of a decimal number between 1 and 10 multiplied by a power of 10

5. An integer that is the square of an integer.

6. Any real number that cannot be expressed as the ratio of two numbers, such as π.

7. A number expressible as a limit of rational numbers.

8. The quality or condition of being dense.

9. Two angles that have the same vertex and a side in common.

10. A numerical or constant factor in algebraic terms.

11. Any algebraic expression that gives the distance between two points in a particular coordinate system in a particular number of dimensions.

12. The set of values of the independent variable for which a function is defined.

13. The side of a right triangle opposite right angle.

14. The side which shares the common/neighboring border to the right angle in a triangle.

15. A number that can be made by dividing one integer into another

16. To arrange or dispose in a particular order, especially in rows or lines.

17. The rate at which an ordinate of a point of a line on a coordinate plane changes with respect to a change in the abscissa.

18. a polyhedron having parallel, polygonal, and congruent bases and sides that are parallelograms

19. Statistics a graph that plots along two axes at right angles to each other the relationship between two variable quantities, such as height and weight

20. the equation of a straight line in the form y = mx + b where m is the slope of the line and b is its y-intercept