Can you plsss you will get 22 points!

The answer is B because if you multiply 3*3 you get 9 and if you multiply 6*2 you get 12.Then you add 9 and 12 to get 21

Multiply 9 and 67. then multiply 3 with 67. lastly the answer that you got for 9x67 is to be subtracted by the answer you got for 3x67

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.