How many songs are in the album "Memoirs of an imperfect Angel" by Mariah Carey?

There are a total of 21 songs in "Memoirs of an imperfect Angel".

When was the album "Memoirs of an imperfect Angel" by Mariah Carey released?

"Memoirs of an imperfect Angel" was released on January 1, 2009.

#	Track	Artist	Key	Camelot	BPM
1	Obsessed - Cahill Radio Mix	Mariah Carey, Cahill	C Minor	5A	128
1	Betcha Gon' Know (the prologue)	Mariah Carey	D♭ Minor	12A	126
2	Obsessed - Seamus Haji & Paul Emanuel Radio Edit	Mariah Carey, Seamus Haji, Paul Emanuel	F Minor	4A	126
2	Obsessed	Mariah Carey	B♭ Minor	3A	86
3	Obsessed - Jump Smokers Radio Edit	Mariah Carey, Jump Smokers	C Minor	5A	111
3	H.A.T.E.U.	Mariah Carey	G Minor	6A	100
4	Obsessed - Friscia and Lamboy Radio Mix	Mariah Carey, Friscia And Lamboy	A♭ Major	4B	128
4	Candy Bling	Mariah Carey	C Major	8B	86
5	Ribbon	Mariah Carey	E Major	12B	119
6	Inseparable	Mariah Carey	A♭ Major	4B	158
7	Standing O	Mariah Carey	C Major	8B	162
8	It's A Wrap	Mariah Carey	D Minor	7A	180
9	Up Out My Face	Mariah Carey	G Minor	6A	74
10	Up Out My Face (the reprise)	Mariah Carey	E♭ Major	5B	145
11	More Than Just Friends	Mariah Carey	G Minor	6A	87
12	The Impossible	Mariah Carey	F Minor	4A	120
13	The Impossible (the reprise)	Mariah Carey	A♭ Major	4B	119
14	Angel (the prelude)	Mariah Carey	F Minor	4A	60
15	Angels Cry	Mariah Carey	C Major	8B	77
16	Languishing (the interlude)	Mariah Carey	F♯ Major	2B	126
17	I Want To Know What Love Is	Mariah Carey	F♯ Major	2B	80