0
3f+9 = 23
3f = 23-9
3f = 14
f = 14/3
3f+9=23
-9 -9
3f= 14
/3 /3
f= 4.66666
(6 repeats)
-3f - 14 = 1
-3f = 1+14
-3f = 15
f = -5
11
Too many to list: [http://onelook.com/?w=%3F%3F%3F%3F%3F%3Fx&ls=a try this link]
Adrenaline is the 3F hormone.