Newport Township is building a new playground area for neighborhood kids. The playground will be a square with a perimeter of 56 + 8 3 x An equivalent expression is 56 + 8 ( 1 3 x ). Which expression represents the length of one of the playground's sides? 224 + StartFraction 32 over 3 EndFraction x 14 + two-thirds x 14 + StartFraction 8 over 3 EndFraction x 4 (56 + StartFraction 8 over 3 EndFraction x)