Please help with these problems asap.

Question 2 0 / 5 points Find the volume of 'a solid generated by revolving the region bounded by the given lines and curves about the y-axis. y = x + 2, y = 2x - 1, and x = 0 O 18x O 13 6 25 CS Scanned with CamScanner OQuestion 7 0 l 5 points Use a calculator to approximate the area of the surface generated when the given curve is revolved about the x-axis. Round to two decimal places when necessary. y=x4,0$x$1 3.44 0.23 o 1.47 0.55 Question 9 O I 5 points Verify the following identity by using differentiation. 2 [x x+1dx= TS(x+1)3/2(3x2)+C T'l' 0 False @' a Question 12 0 / 5 points Find the length of the curve. N/W WIN y =(S , 15 x 5 27 a) 72 Ob) 40.5 c) 36 CS Scanned with CamScanner u) 24Question 19 0 / 5 points Find a curve through the point (1, 4 ) whose length integral, 0