Respuesta :

Answer:

[tex]\frac{13}{2}[/tex]

Step-by-step explanation:

We have that:

[tex]a=\frac{9}{2} \\b=2[/tex]

Now we can find a+b

[tex]\frac{9}{2}+2=\frac{9+4}{2}=\frac{13}{2}[/tex]