Please help ive been stuck in this question

Answer:
The choice A.
Step-by-step explanation:
sin= Opposite/ hypotenuse
[tex] \sin(30) = \frac{ \sqrt{15} }{x} \\ \\ x = 2 \sqrt{15} [/tex]
tan = opposite/adjacent
[tex] \tan(30) = \frac{ \sqrt{15} }{y} \\ \\ y = 3 \sqrt{5} [/tex]
I hope I helped you^_^