8students have 3/4 if a cake how much will each student get if they split it evenly

Match each function with its rate of growth or 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

With alll of except for the 2 that i did already