this is two or more equations with common variables, also known as a linear system.

This is two or more equations with common variables, also known as a linear system. System Of Equations

the answer is prolly b

the two things that develop a strong social foundation are: a. separation of church and states e. education received attention separation of church and states separate the illogical  argument that came from religious beliefs to a fact based belief. while education will make us remember the past to avoid the repeat of our mistakes.