solve for y
its not 14 lol

Answer:
16.97
Step-by-step explanation:
b= [tex]\sqrt{c^2-a^2}[/tex]
a= [tex]\sqrt{18^2-6^2}[/tex]
b= [tex]\sqrt{324-36}[/tex]
b= [tex]\sqrt{288}[/tex]
b=16.970562748477