Respuesta :

Answer:

11. B.

12. 3

Step-by-step explanation:

[tex]\sqrt{81}-\sqrt{25}=9-5=4[/tex]

[tex]\sqrt[3]{27}=3[/tex] since [tex]3^{3}[/tex][tex]=27[/tex]

Answer:

The question is asking what number times itself 3 times equals 27. 3*3*3=27