Answer:
0.1037
Step-by-step explanation:
(6C4 × 12C3)/18C7
3300/31824
275/2652 = 0.1037
factoring: ( 3 x + 1 ) ( 3 x+ 2 )
expressing/equation: 9x²= 81x
81x + 9x + 2=
9x+81x=90x
90x + 2
1/11