Mrs. Argo has 3 7/12 boxes of pens. She has 4 1/12 boxes of pencils does she have? Write in simplest form. ​

If i’m not wrong i believe it is c

Hello! i hope this
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.

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