Which expressions have a value greater than 8? 9 divided by 3 times (4+7) -2 or (4+ divided by 3)+7 or (4 divided by 2+7)-9+3 or (7-3) divided by 2+9 times 4 or (4 times 3 +2) divided by (9-7)?

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