Hi i need the answer to this please

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

Three times the sum of a number and seven is negative thirty-six. what is the number?

Identify the number 127 as a rational or irrational. explain