Which system of equations is represented by the matrix below? 1 -3 107
12 2-4
O A. 1 - 3y = 10
2x + 2 = -4
B. y-3x = 10
2y+ 2x = -4
O C. x-3y= 10
2x + 2y = -4

The perimeter of an equilateral triangle is 4 cm more than the perimeter of a square and the length of a side of the triangle is 8 cm more than the length of a side of the aware. find the length of a side of the equilateral triangle