I need a step-by-step explanation with the answer please as I do not understand this question one bit, I would really appreciate the help.

What is the ratio of the length of an object in yards to the length of the same object in miles?

Which questions would most a reader identify the author's purpose for writing? check all that apply. what type of text is this? what type of reviews did the book receive? how many copies of the book have been sold? what is the central idea? how does this text make one feel?

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