What is the perimeter in units uvwxyz

If you shift the linear parent function, f(x)=x, up 13 units, what is the equation of the new function?

Plot the points (0,6), (3,15.8), and (9.5,0) using the graphing tool, and find the function

Under normal conditions, 1.5 feet of snow will melt into 2 inches of water. during a winter season high in the mountains, 301 feet of snow fell. how many inches of water will there be when the snow melts?