Please answer A or B with values and also volume. Type answers in comments not as an attachment because i cant open

Let R be the region bounded by the following curve. Use the shell method to find the volume of the solid generated when R is revolved about the y-axis. y= 18 -x- , x=0, and y = 0, in the first quadrant . . . Set up the integral that gives the volume of the solid using the shell method. Select the correct choice below and fill in the answer boxes to complete your choice. (Type exact answers.) O A. dy 0 O B. dx 0 The volume is (Type an exact answer.)