Okay so this is your equation; 17=221/x
all you need to do is multiply 221 by 17 and you'll have your answer. I hope this helps!
B is the answer
i simplified the theorem, but i hope this makes sense!
Answer:

Step-by-step explanation:
In every right triangle, a leg is given by the multiplication of the sine of its opposite angle and the hypothenuse.
In this case, the opposite angle of x is 15°, and the hypothenuse is 300. So, we have

Substitute in y= equation into 2nd equation to start.
(2,5)