Question

Please answer ASAP for 20 points

Answer 1

i think 7 maybe it right

Answer 2

OA=OE (radius)
Let radius be r
AC=1/2AB
AC=6
OC=OE-CE
OC=r-3
By pythagores theoram
OA^2=AC^2+OC^2
r^2=6^2+(r-3)^2
r^2=36+r^2+9-6r
6r=45
r=45/6
r=15/2
r=7.5