Across
- 4. a pay that is equal to a percent of sales
- 5. the rate for one unit of a given quantity
- 8. the set of positive whole numbers, their opposites, and zero
- 9. if the sum of two angles is 90 degrees
- 11. earn of the principal
- 12. a three dimensional figure with triangular faces that meet at a vertex and a base that is a polygon
- 13. a ratio that compares a number to 100
- 14. an angle that measures 90 degrees
- 15. a letter that stands for a number
- 17. a comparison of two quantities by division
- 18. the outer faces or the exterior boundary of a figure
- 20. three dimensional figure with two parallel and congruent polygonal faces called bases
Down
- 1. the number of cubic units needed to fill the space inside a figure
- 2. a number placed before a variable
- 3. a group of objects or people for which info is wanted
- 6. two angles who's measures add to 180 degrees
- 7. used to describe the likeliness that an event will happen
- 10. a percent of the purchase price
- 16. a part of the population
- 19. a mathematical sentence with an equal sign