Answer:
81.5
Step-by-step explanation:
If c= 9 and a= [tex]\frac{1}{2}[/tex], then the equation will be [tex]9^{2}[/tex] + [tex]\frac{1}{2}[/tex]. [tex]9^{2}[/tex]= 81, and 81 + [tex]\frac{1}{2}[/tex] is 81.5.
