35-38 please help please... this is just our review... no need for solution please. answer directly only.... please... IN RETURN I WILL GIVE HELPFUL RATING DIRECTLY...

35. Evaluate So So So dx dy dz . A. 1/3 C. 1/2 B. 1/4 D. 1/6 36. Evaluate the integral xcosxdx. A. xsinx + cosx + C B. x2sinx + C C. xcosx + sinx + C D. 2xsinx + cosx + C 37. Determine the value of the integral of sin53xdx from 0 to pi over 6. A. 0.457 B. 1.053 C. 0.0178 D. 0.178 38. If it is known that y=1 when x=1, what is the constant of integration for the following integral? Y(x) = (e^(2x) - 2x) dx A. c = 2- e^2 B. c= 3 - e^2 C. c=4- e^2 D. 1/2(4- e^2)