Can you answer 4, 5, 6,7

3. FIND THE AREA BOUNDED BY 4. FIND THE VOLUME OF THE SOLID OBTAINED JINX, y=X, OSXSI BY ROTATING THE REGION BOUNDED BY y EX- X, OS X-1 ABOUT THE X-ANS 5, SAME SET UP AS $4 , FIND THE 6, SAME SET UP AS #34. VOLUME IF IT REVOLVED ABOUT FIND THE VOLUME IF IT IS REVOLVED THE y- AXIS ABOUT THE WINE y= 2 1. SAME SET UP AS # 4, FIND THE 8. A 20 ft CHAIN WEIGHING 50 16 VOLUME IF IT REVOLVED ABOUT IS HANGING OVERTHE SIDE OF A THE LINE X = 2 BUILDING, HOW MUCH WOTUL is REQUIRED TO PULL 10 It OF IT UP TO THE TOP OF THE BUILDWG