I just need help doing question #1 and #3. The answer for #1 is e - 1 and the answer for #3 is 4 * pi * a * b * c / 3.

1. Evaluate dx dy. 1=0 Jmzey (yz + 1) tan [In(x)] 2. Evaluate (3z - 6x) dz dx dy. 3. Determine the volume of the region bounded by the surface 62 + = 1. 4. Evaluate (x-2y)?(2.x-y)2 dA, where R is the parallelogram with vertices (0, 0), (2, 4), (4, 2), and (6, 6). 8 8x-12 1 5. Evaluate (x2 + y2) 3/2 dy d.x. y=0