Estimate and then find the quotient. use your estimate to check for reasonableness 544÷68 estimate quotient

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 geometric principle is used to justify the construction below?

The graph shows how many words per minute two students read. drag to the table the unit rate that matches each graph.