Terms

7. The way numbers are grouped does not affect the sum.
11. law of multiplication The way the numbers are grouped does not affect the product.
12. The fixed point in a plane about which a curve is equally distant
14. An angle whose measure is less than 90 degrees.
15. An algebraic expression consisting of two terms.
16. To divide the line into two equal line segments.
17. The side of a triangle to which the altitude is drawn.
18. Written lxl, is the number without it's sign.
19. A finite set of instructions having the following characteristics- precision, uniqueness, finiteness, input, output, and generality.
20. The measure of a surface.
21. The average of a group of numbers is found by adding all the quantities and then dividing by the number of quantities being averaged.
22. A figure formed by two rays that have the same endpoint.
24. A line segment drawn from a vertex point perpendicular to the opposite side (base).
25. the number to which an exponent is attached.

1. A special grouping of numbers to make computation easier.
2. Two perpendicular lines used as a reference for ordered pairs.
3. Two angles formed by a transversal that cuts two parallel lines. They are on opposite sides of the transversal and do not have the same vertex.
4. An ordered pair (x,y) specifying the distance of points from two perpendicular lines.
5. The two angles that have the base of the triangle as a common side.
6. to divide in half.
8. The opposite of the number. a is -a
9. To draw an line through the vertex dividing the angle into two equal parts.
10. Two angles having a common vertex and a common side between them.
13. a triangle whose three angles measure less than 90 degrees.
23. a segment or piece of a curve.