Which letter denotes the maximum number of defective items that can be found in the sample before the lot is rejected

One line passes through (-7,-4) and (5,4) . another line passes through the point (-4,6) and (6,-9)

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

What are the coordinates of the point that is 1/3 of the way from a to b? a (2,-3) b (2,6)