Measure and describe the turn shown by the angle. be sure to tell about the size and direction of the turn. plz

I'll give brainliest if you answer right : )

What is the definition of exponential decay?

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