Verified answer

Resposta:

[tex]\frac{\left(-5\right)^2-4^2+\left(\frac{5}{4}\right)^0}{3^{-2}+1}[/tex]

[tex]=\frac{10}{3^{-2}+1}[/tex]

[tex]=\frac{10}{\frac{10}{9}}[/tex]

[tex]=\frac{10\cdot \:9}{10}[/tex]

[tex]=9[/tex]