help with Calculus

6. The base of a solid in the xy-plane is the circle x2 + y2 = 16. Cross sections of the solid perpendicular to the yaxis are squares. What is the volume, in cubic units, of the solid? (5 points) OE 3 1024n 000 la: 5. Which of the following integrals will find the volume of the solid that is formed when the region bounded by the graphs of y = ex, x = 1, and y = 1 is revolved around the line y = -2. (5 points) O (e2x -32)dx O It (e2x - 22 )dx O T[ (e2x +32 )dx O (ex + 2)2-32 dx2. Find the area of the region bounded by the graphs of y = -x2 + 3x + 4 and y = 4. (5 points) 0 2.7 4.5 28.5 000 16.5 1. Find the area or the region bounded by the curves y = x3 and y = x. (5 points)