20/12, 35/21 do the ratios form a propprtion

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

Solve the inequality and graph 6j - 7 < 5

Complete the input-output table for the linear function y = 3x. complete the input-output table for the linear function y = 3x. a = b = c =