Find the x to the nearest 100 65 22cm

Which of the following is correct interpretation of the expression -4+13

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

Which of the following represents the factorization of the trinomial below? x^2+7x-30