Algebra: Coordinate systems, graph plotting, etc Solvers

• Solver : CARTOON of elevator going up and down by ichudov(332)  
• Solver : Finding a distance between a point given by coordinates (x, y) and a line given by equation y=ax+b by hummingbird(0)  
• Solver : Distance between two points in two dimensions by hummingbird(0)  
• Solver : Distance Formula to determine length on coordinate plane by pirategirl(1)  

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