Plz someone help me with this problem

What is the length of bc ? enter your answer in the box.bc =

Classify the following triangle check all that apply

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?