Xavier is attempting to re-create a problem his teacher showed him in class to do so he create a table below your members at the slope of the line through the order Pairs in the table was 4 what is the missing Y value on the table

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