If you use the law of sins, the answer would be B) 6.928 (in the law of sines you round so it would be 6.93)
Answer:
18cot(30) or nearly -2,81016
N(-5/8)=-0.4
times both sides by -8/5
n(-40/-40)=3.2/5
n1=0.64
n=0.64
The answer that I would choose would be C.
