Select one answer for question A and select one answer for question B.

Answer:
A and B first choices .
Step-by-step explanation:
[tex]discriminate=B^2-4AC[/tex]
so, [tex]discriminate=12^2-4(9)(4)[/tex]
[tex]=0[/tex]
__________________
since discriminate is 0 , the equation has real and equal solutions