Answer the following questions. 
Definitions:
Linear Inequalities
Mathematical expressions involving inequalities (like <, <=, >, >=) that graph as straight lines and define regions in a coordinate plane.
System
In mathematics, a set of equations or inequalities involving the same variables.
Graph
A visual representation of data or mathematical functions, often displayed as points, lines, bars, or other shapes.
Cramer's Rule
A theorem used in linear algebra to solve systems of linear equations with as many equations as unknowns.
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