Find the single equation which represents a pair of straight lines x=3y and 3x=y.​

The lengths of all sides of a triangle are integers when measured in decimeters. one of the sides has length of 1 dm and another of 3 dm. find the perimeter of the triangle.'

Polygon abcde is reflected to produce polygon a′b′c′d′e′. what is the equation for the line of reflection?

The graph of y=x3 is transformed as shown in the graph below. which equation represents the transformed function?