holasoydora101 holasoydora101 06-01-2023 Mathematics contestada Select all that apply. Which of the following shows that 5/6 = 15/18 is a proportion? A. 5 · 18 = 6 · 15 B. 5 · 15 = 6 · 18 C. 5 · 3/6 · 3 = 15/18 D. 5 + 10/6 + 12 = 15/18