What Percentage of a dollar is the value of each coin combination?

Answer this question! 30 points and brainliest! only if you know the answer.

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

Which of the following transformations will always produce a congruent figure?