(A PLZ HELP) Aunt Viv bought you a $100 Certificate of Deposit when you were born. It earns 12.5% interest each year. How much will the Certificate be worth when you are 18 years old? *

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since the cosine is the ratio of the adjacent side to the hypotenuse, you can see that cos 60° = ½. answer. according to the property of cofunctions (topic 3), sin 30° is equal to cos 60°. sin 30° = ½.

the answer would be c ≈ 18.852*3.14= 6.286.28*3=18.85

The answer would be a