The answer is A and B. I showed my work below. I hope it makes sense. Let me know if you have any questions.
Look up the law of sines, I suggest Khan Academy. It is better if you know how to do it, it is very useful.
Answer:
9/5
Step-by-step explanation
18 divided by 10 equals 1.8 and 1.8 is 9/5 in fraction form.
Answer:
The answer is 2/4
Step-by-step explanation:
Just took the test. A is the right answer.