Traditionally a, b, c are used for constants and x, y, z are used for unknowns that have to be found. If a question involves time, t is likely to be used for time.
Beyond that, the meaning will change from question to question.
Questions about algebra are sometimes answered on this site; there are also a number of other websites which answer questions. If it is difficult to get enough help by way of the internet, find someone who knows algebra and get that person to help you. But why don't you try asking us a question about algebra? There's a website called brightstorm.com You have to pay to use the full site, but they have an answer checker which I found very helpful, since I'm currently graphing quadratic functions and unfortunately don't get how to do it at all.
Free algebra worksheets can be created on this site http://www.kutasoftware.com/free.html. You can choose a topic and the site gives you free worksheets for that topic that can be used. Answers to the questions are also provided.
College Algebra is a specific subject test, so you will need Algebra knowledge. However, if you have high school Algebra II level knowledge, it shouldn't be a problem for you. My only preparation for that exam was a high school Algebra II course. **Full Disclosure* I am an employee of www.SpeedyPrep.com, a 100% Guaranteed CLEP exam preparation site.*
I need 1 bad
Learning algebra is much like learning any other subject. You start with the basics, and gradually learn more advanced techniques. You can learn either in class, from a teacher, or by yourself, from a textbook. Feel free to ask us if you have a specific question about algebra. I have been known to solve equations on this site.
Webmath.com is a wonderful resources for help with you algebra questions. mymathway.com is also a good site to help find the answers you need.
You can tutor the child easier with some algebra 1 worksheets from algebra tools dot com. Many teachers have used the site for their use in class with many fun activities.
GeoGebra is all about algebra. The site offers innovative ways to learn algebra. If your child needs to learn algebra and is having trouble with traditional methods or if you just want to learn algebra this is the site for you. The site is designed to interest preteens and teens but anyone can use it.
You can find algebra 2 worksheets on the internet at algebaricmath dot com. That site has the tools to help your struggling child in math. Improvements can be seen in weeks.
Questions about algebra are sometimes answered on this site; there are also a number of other websites which answer questions. If it is difficult to get enough help by way of the internet, find someone who knows algebra and get that person to help you. But why don't you try asking us a question about algebra? There's a website called brightstorm.com You have to pay to use the full site, but they have an answer checker which I found very helpful, since I'm currently graphing quadratic functions and unfortunately don't get how to do it at all.
Yes.
There is a great site where you can find this information. It is www.free-ed.net/free-ed/Math/PreAlg01/default.asp - Cached
There are a variety of algebra worksheets available at www.kutasoftware.com. Some include basic algebra, polynomials and linear equations.
An excellent site for sample letters to creditors and other useful creditor/debtor information is...www.fair-debt-collection.com
There is usually a legend on the site or paper that says what these letters represent.
Visiting a site like Houzz will provide you with design ideas and pictures. A local arts and craft store will surely have decorative letters such as Michael's.
Omniglot is a good site to find all Greek numbers, letters, pronunciations, and origins. Wikipedia also has a very detailed article on the history of the Greek language along with details images of Greek letters and numbers.