How to find the sides of a 225 square meter

Which coefficient matrix represents a system of linear equations that has a unique solution ? options in photo*

The equation |pl = 2 represents the total number of points that can be earned or lost during one turn of a game. which best describes how many points can be earned or lost during one turn? o o -2 2 oor 2 -2 or 2 o

In the diagram below, abc is congruent to dec what is the value of x