Whats the reason to live i dont have any

anyways free points if u want

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

How long must $542 be invested at a rate of 7% to earn $303.52 in interest? in a easier way

With finding limits of multi variable !