The total number of candles Jaime has blown out in his life equals the sum of the arithmetic series 0+2+3+4+5+6+7+9

The point of intersection of the diagonals of a rectangle is 4 cm further away from the smaller side then from the larger side of the rectangle. the perimeter of the rectangle is equal to 56 cm. find the lengths of the sides of the rectangle. 16 points answer quick