I need help answering the 5 questions shown in the screenshot. Please be organized and thorough. Thank you in advance!

1. Evaluate dx dy. y=0 JIzey (y2 + 1) tan [In(x)] 32-4x-8y 2. Evaluate (3z - 6.x) dz dx dy. 2=0 3. Determine the volume of the region bounded by the surface 62 + = 1. 4. Evaluate (x-2y)2(2.-y)2 dA, where R is the parallelogram with vertices (0, 0), (2, 4), (4, 2), and (6, 6). 8 8x-12 5. Evaluate =4 . 1=0 (x2 + y2) 3/2 dy dx