In a school, \[8{{a}^{2}}+4a+9\]students were enrolled. \[2{{a}^{2}}-9a+2\]students were boys. How many girls were enrolled?

In a school, \[8{{a}^{2}}+4a+9\]students were enrolled. \[2{{a}^{2}}-9

1.	In a school, \[8{{a}^{2}}+4a+9\]students were enrolled. \[2{{a}^{2}}-9a+2\]students were boys. How many girls were enrolled?
A.	\[6{{a}^{2}}-13a+7\]
B.	\[4{{a}^{2}}+13a+7\]
C.	\[6{{a}^{2}}+13a+7\]
D.	\[4{{a}^{2}}-13a+7\]
Answer» D. \[4{{a}^{2}}-13a+7\]