can you set up 20 and 28 and explain how to know what region to find and find it

13-28 Sketch the region enclosed by the given curves and find its area. 13. v = 12 -xz, y = x2-6 14. y= X', =4x-x 15. y - sec'x, y = 8 cosx. - 7/ 3 x 1/ 3 16. y = cos x, y = 2 - cost, OSX321 17. x = 2,2, x = 4+ v2 18. = Vx - 1, x- y =1 19. y = COS TX, V = 4x - 1 20. x = ), y = V2 - x, y=0 21. y = tan x, y = 2 sinx -7/3 x1/3 22. y = X, y = x 23. y = V2x, y= $4 03x36 24. y = cost, y = 1 - cost, OFTEN 25. y = x, y = 2- x 26. y = sinha, y= e ; x=0, x= 2 27. y = 1/ N y= X, y=ix x30 28. y = 1x y = 2x, x-1=3, x80