Respuesta :

giyannaperez2009

Answer:

21 miles from da dock

Step-by-step explanation:

i have big brain UwU

TheHarleyQuinn

Answer:

15 mi

Step-by-step explanation:

[tex]a^2+b^2=c^2\\9^2+12^2=c^2\\81+144=225\\\sqrt{225}=c\\ c=15[/tex]