If point a is located at -7, 5) on a coordinate plane and point b is located at (4, 5) what is the distance between the two points

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.

Me with this one question, and i'll upvote the brainliest answer

Select the conic section that represents the equation. 3x2 + 3y2 -2x + 4 = 0