Need help to find answer. PLEASE HURRY

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

Write 5(6x+4)-2(5x-2) in the form a(bx+c) where a,b and c integers and a> 1

If you have 12 feet of string and you cut it into equal length of 5 inches each how much string will be left