What happens to the value of expression 10/d as d increases from a small positive number to a large positive number

Jack has a piece of red ribbon that is two times as long as his piece of blue ribbon. he says that he can use two different equation to find out how long his piece of red ribbon is compared to his piece of blue ribbon is. is he correct? explain his reasoning

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

What is the simplified form of 400x100 ? o 200x10 o 200x50 0 20x10 • 20x50