Using the Law of Sines (sina/A=sinb/B=sinc/C for any triangle)
sinR/30=sin96/54
sinR=30sin96/54
R=arcsin(30sin96/54)°
R≈33.5° (to nearest tenth of a degree)
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20 because there are only 2 gender so it will be 34 - 16 = 20
That is a function. Each input has exactly one output