Equivalent ratios Select three ratios that are equivalent to 7: 6. Choose 3 answers: А 12:14 B 21:18 42 : 36 63:54 E 84 : 62 ​

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