Find the volume of the region under the surface z = plane with corners (0, 0, 0), (6, 0, 0) and (0, 2,0). 9x4 and above the triangle in the xy- Question Help: Video Message instructor Post to forum

Find the surface area of the part of the plane 2x + y + z = 4 that lies inside the cylinder x² + y² = 9. Surface Area =

Find the surface area of the portion of the plane 2x + z = 6 with x² + y² ≤ 4.

find volume of tetrahedron with vertices W= (2,2,2)  X= (5,4,3) Y= (5,4,4) Z= (5,5,5)