Quick anyone know the answer to this algebra problem? will give brainiest

Find the greatest common factor of 28 and 35

You have a 32-foot fence around a square garden. there are 4 equal sections. you paint 13 of one section of the fence. what fraction of the fence did you paint? you have a 32-foot fence around a square garden. there are 4 equal sections. you paint 13 of one section of the fence. what fraction of the fence did you paint?

Which table shows a proportional relationship between miles traveled and gas used?