Find a formula for the arithmetic sequence consisting of the positive multiples of 4

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?

In which direction does the left side of the graph of this function point? f(x) = 3x3 - x2 + 4x - 2

Julie begins counting backwards from 1000 by 2’s and at the same time tony begins counting forward from 100 by 3’s.   if they count at the same rate, what number will they say at the same time?