Please help me with these calculus questions.

Score: 0.33 of 1 pt 22 of 23 (23 complete) HW Score: 93.33%, 23.33 of 25 pts 8.6.91 Assigned Media Question Help Let R be the region in the first quadrant bounded by the curve y = sec " (4x) and the line y = -. Suppose a tank that is full of water has the shape of a solid of revolution obtained by revolving region R about the y-axis. How much work is required to pump all the water to the top of the tank? Assume x and y are in meters. Set up the integral that finds the work required to lift the water where p is the density of water and g is the acceleration due to gravity. W= ()dy (Type exact answers, using it as needed.) Enter your answer in the edit fields and then click Check Answer. ? part remaining Clear All Check AnswerScore: 0 of 1 pt 15 of 23 (23 complete) HW Score: 92%, 23 of 25 pts X 8.6.52 Assigned Media Question Help Evaluate the integral using integration by parts. [x2 , 3x dx Enter your answer in the answer box and then click Check Answer. ? All parts showing Clear All Check