2 d = -14 Im not sure if I even wrote it right to be honest

An objects motion is described by the equation d= 4sin (pi t) what will the height of the object be at 1.75 seconds?

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?

To prove that def ~ gfh by the sss similarity theorem using the information provided in the diagram, it would be enough additional information to know that