Rectangle WXYZ with height h and width w is rotated 360° about segment WY. Which choice gives the solid formed and its surface area?

Rectangle, A = 2 • w • h square units
Rectangle, A = w • h square units
Cylinder, A = 2π • w • h + 2π • w2 square units
Cylinder, A = π • w • h + π • w2 square units

Abag has more green balls than blue balls, and there is at least one blue ball. let bb represent the number of blue balls and let gg represent the number of green balls. let's compare the expressions 2b2b and b + gb+g. which statement is correct? choose 1

Determine whether the following statements are true and give an explanation or counterexample. bold a. when using the shell method, the axis of the cylindrical shells is parallel to the axis of revolution. bold b. if a region is revolved about the y-axis, then the shell method must be used. bold c. if a region is revolved about the x-axis, then in principle it is possible to use the disk/washer method and integrate with respect to x or the shell method and integrate with respect to y.

Write and solve a real word problem that involves determining distance on a coordinate plane