Anxiety Disorder Statistics. Anxiety Disorders affect 18.1 percent of adults in the United States (approximately 40 million adults between the ages of 18 to 54).
Perfect square. Perfect square is an element of algebraic structure which is equal to the square of another element. Square number, a perfect square integer.
Music Video. Perfect was written by Moore, Alecia B / Martin, Max / Schuster, Johan. Perfect was written by Moore, Alecia B / Martin, Max / Schuster, Johan. F**kin' Perfect (or just Perfect) is a song by American recording artist Pink, taken from her 2010 release Greatest Hits... So Far!!!. It was released on December 14, 2010 by RCA Records as the album's second single.