Ineed to know how to solve this question

The appalachian trail is a hiking trail that passes through the appalachian mountains. three members of a teen hiking group hiked a section of the trail. the hikers stopped at a rest area and equally shared 3 4 gallon of water. how much water did each person get?

Which statement accurately explains whether a reflection over the x-axis and a 180° rotation would map figure acb onto itself?

Sum is 17 and their difference is 3