Posted by **Jena** on Wednesday, September 21, 2011 at 5:18pm.

What are intersections and unions (in algebra). Also, what are complements? And what does MATH stand for in terms of sets? Please answer quickly. Thanks!

- Algebra -
**MathMate**, Wednesday, September 21, 2011 at 8:05pm
You need a tutorial of some sort, or review of your class notes or textbook.

If you don't have any, try reading up the following article, and post follow-up questions as necessary.

http://en.wikipedia.org/wiki/Set_theory

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