Which of the following functions shows the absolute value parent function F(x)=[x], vertically stretched

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.

Henry is an avid reader, he devours 90 pages in half an hour how many pages has henry read per minute?

The radius of a sphere is 3 inches. which represents the volume of the sphere?