80% Step-by-step explanation: Votes: 24 were for hunger relief and 6 were for environmental causes. There were 24 + 6 = 30 votes in total. Thus, 30 votes - 100%, 24 voyes - x%. Mathematically, you can write a proportion:
A: a horizontal shrink would be caused by cos 3x. B: a vertical stretch would be caused by 3 cos x C: a horizontal stretch would be caused by cos (1/3)x D: a vertical shrink would be caused by 1/3 cos x.