The correct answer should be C
well, what is 9,744/2,280? take that and move the decimal point two places to the right to find the answer.
The answer is A. After you square root both sides, you have to add 3 to both sides and then divide both sides by 4.
if you don't have a Unit Circle, this is a good time to get one, you'd need it, you can find many online.
Check the picture below.