|4x|=|x+30|

Giúp e ạ

Cho hbh ABCD : CD=2AD. M là trung điểm của CD Cm góc AMB = 90 độ

1. As a manager, you are responsible for --- these rules with your staff A.discussing B.discuss C.discusstion D.discussed 2. In order to --- the proofreading work, the editing team will need at least two more weeks A.complete B.completing C.completed D.completion 3. As one of the major contents provides, we look --- to meeting your demands for wireless internet A.up B.for C.towards D.forward

Giúp em với ạ e camon