They typically aren't useful in your everyday life unless your job requires them.
http://wiki.answers.com/Q/How_algebra_and_trigonom...

People use algebra constantly in everyday life, for everything from calculating
http://www.chacha.com/question/howisalgebraused...

How is geometry used in everyday life? When you're studying the subject, the science of lines and angles can seem like nothing more than a dull exercise in formulas and predictability
http://www.life123.com/parenting/education/geometr...

Exponents are a shorthand for calculating the multiplication of a number by itself several times. The exponent tells you how many times to multiply the number. For example, 2^3 is
http://www.ehow.com/about_6382637_exponentsusede...
