Scientists are creating a material that may replace damaged cartilage in human joints. This hydrogel can stretch to 21 times its original length. If a strip of hydrogel is 3.2 centimeters, what would its length be when stretched to capacity?

The perimeter of a stage is 116 feet. it is 17 feet wide. how long is it?

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

It says factor each expression completely 8y+48