CONVERT 4 1/2 TO A DECIMAL PLEASE I NEED THIS RN

Find the volume of the solid generated when the region bounded by y= x and y= 4√x is revolved about the x-axis the volume of the solid is: (type an exact answer cubic units)

Thelime contains the point(-3,0) and parallel x-3y=3( show all work)

Quadrilateral abcd in the figure below represents a scaled-down model of a walkway around a historic site. quadrilateral efgh represents the actual walkway. abcd is similar to efgh. what is the total length, in feet of the actual walkway?