If someone could explain this i would really appreciate it!

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 graph represents the linear function below? y-3=1/2(x+2)

The price of a car has been reduced from $19,000 to $11,590. what is the percentage decrease of the price of the car?