A. Tell whether the following ratios form a proportion or not. Write = in the box if the ratios form a proportion. Otherwise, write #
1. 2 : 8 ___ 6 : 12
2. 5 : 6 ___ 12 : 18
3. 6 : 12 ___ 10 : 20
4. 8 : 4 ___ 2 : 3
5. 14 : 7 ___ 6 : 3

please answer correctly!
thank you