Relax

Respuesta :

Answer:

[tex]A)15[/tex]

Step-by-step explanation:

[tex](17)^{2} =8^{2}+x[/tex]

[tex]x^2=17^2-8[/tex]

[tex]x^2=225[/tex]

[tex]x=15[/tex]

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hope it helps...

have a great day!!