Problem 25 please

21. The solid bounded by the paraboloid z - 2 - x - y and the 32. plane : 22. The solid bounded by the paraboloid z - 8 - x - 3y and the hyperbolic paraboloid 2 - - y? 23-28. Cartesian to polar coordinates Sketch the given region of in regration R and evaluate the integral over R using polar coordinates Assume that (r. 0) are polar coordinates. 23. (12 + 12) dA; R - ((.0):0srs 4.0 s es 27 24. 2ty dA; R = ( (r, 0): 1 5 / = 3,0 =0 = /2 25. 20y dA: R = ((x,y):x + y's 9.y=0) 26. dA 33-38. Des 27. dA Then expres V 16 -12- 12 coordinates R - ((xy): 12 + 3 54,x = 0,y = 0 33. The rep 28. er rd: R - ((x,y):x + y's9 3. The reg quadra 29-32. Island problems The surface of an island is defined by the for 35. The reg lowing functions over the region on which the function is nonnegative. first qu Find the volume of the island. 36. 29. zer)/8 - e-2 37. The reg z = party /8 -e-2 - 2 s 38. The reg 39-44. Com to find its are