the picture in the attached figure
we know that
the law of cosines established that
b² = a² + c² − 2ac cos(B)
in this problem
a=22 units
c=14 units
B=110°
b² = 22² + 14² − 2*22*14*cos(110°)----> b²=890.68------> b=29.84 units
the answer is the option
D) 29.84