For each sequence, decide whether it could be arithmetic, geometric, or neither. 200, 40, 8, . . . 2, 4, 16, . . . 10, 20, 30, . . . 100, 20, 4, . . . 6, 12, 18, . . .

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.

Which of the following points is collinear with (-2,1) and (0,3)

Thales was an ancient philosopher familiar with similar triangles. one story about him says that he found the height of a pyramid by measuring its shadow and his own shadow at the same time. if the person is 5-ft tall, what is the height of the pyramid in the drawing?