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First off what ummmmmm section of mathmatics are you doing?
Answer:
x = 9√3
y = 18
Step-by-step explanation:
Using SOH CAH TOA
sin (thita) = Opp/hyp
sin 30 = 9/y
y = 9/sin 30
y = 9/0.5
y = 9×2
y = 18
Cos (theta) = Adj/hyp
cos 30 = x/18
x = 18×cos30
x = 18 × √3/2
x = 9√3