5,6,7 please help solve these questions

Use the shell method to nd the volume of the solid generated by revolving the region bounded by the curves and lines about the xaxis. x=y2. x= - 3% y=3. v20 The volume is El. [Type an exact answer, using it as needed.) Find the length of the curve x = 1 + 4 By2 from y = 1 to y = 3. The length of the curve is (Type an integer or a simplified fraction.)Use the shell method to find the volume of the solid generated by revolving the shaded region about the x-axis. 12 y= 12 The volume is. X=6-3y2 (Type an exact answer in terms of it.)