Question Which system of equations is represented by the matrix below?

1-4
3 0
615
0-7

A. 6x - 4y = 5
3y = -7

B. -4x + 6y = 5
3x = -7

C. -4y+ 6x= 5
3x = -7

Someone answer this asap for the length, in feet, of a rectangular rug is represented by the expression 5x² + 2x. the width, in feet, is represented by the expression 3x². which expression represents the perimeter, in feet, of the rug? a. 8x² + 2x b. 8x² + 4x c. 16x² + 2x d. 16x² + 4x