Please solve this and make sure about the answers. Thank you

A)

A region is enclosed by the equations below. sz(yf, 11:20 Find the volume of the solid obtained by rotating the region about the zit-axis. A region is enclosed by the equations below. _:_2 2 y=e , 3320, $27 Find the volume of the solid obtained by rotating the region about the y-axis. A region is enclosed by the equations below. y=sin(2a:2), 31:0, {13:0 :1}: Find the volume of the solid obtained by rotating the region about the y-axis. A region, in the first quadrant, is enclosed by the equations below. :1: 2 2y, y = :3: Find the volume of the solid obtained by rotating the region about the y-axis. :]