Can someone please answer these two questions? Isn't the first one's answer option A? I don't understand the second one. Please show steps

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 of the following graphs represents the function f(x) = 2^x

Find the area of the triangle formed by the origin and the points of intersection of parabolas y=−3x^2+20 and y=x^2−16.