Respuesta :

[tex] \longrightarrow \tt {c}^{2} + a [/tex]

[tex] \\ [/tex]

[tex] \longrightarrow \tt {9}^{2} + \dfrac{1}{2} [/tex]

[tex] \\ \\ [/tex]

[tex] \longrightarrow \tt 81+ \dfrac{1}{2} [/tex]

[tex] \\ \\ [/tex]

[tex] \longrightarrow \tt 81+0.5[/tex]

[tex] \\ \\ [/tex]

[tex] \longrightarrow \tt 81.5[/tex]
Answer:81.5
Explanation c^2+a= 9^2+0.5
=81.5