(−2x + 8) + (−8x^2− 8x)

In a school 2/3 of the students study a language of those who study a language 2/5 study french

Consider the proof. given: segment ab is parallel to line de. prove: what is the missing statement in step 5?

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