1.02x210xyy26zdydzdx

2.20x3dV where E is the region bounded by x=2-y^2-z^2 and x=5y^2+5z^2-6

3. x2dV where E is the region bounded by y=x^2+z^2-4 and y= 8-5x^2-5z^2 with x 0

4.z2dV where E is the region between the spheres x^2+y^2+z^2=4 and x^2+y^2+z^2=25