2. Use polar coordinates to find the volume of the solid under the paraboloid z = x² + y² and above the disk x² + y² ≤ 16.

Find the exact volume of the solid that results when the triangular region with vertices at 0, 0, 5, 0 and 0, 9 is rotated about the a x-axis b y-axis

Find the exact volume of the solid that results when the region bounded in quadrant I by the axes and the lines x=9 and y=5 revolved about the a x-axis b y-axis

Find the exact lateral area of each solid in Exercise 40. Find the exact volume of the solid formed when the region bounded in Quadrant I by the axes and the lines x = 9 and y = 5 is revolved about the a) x-axis b) y-axis