Nêu điều kiện để hệ phương trình tuyến tính vô nghiệm. Tìm m để hệ phương trình sau vô nghiệm: 2 2 2 1 2 ( 2) 4 x my z x y z x m y z m    

Ineed to know the answer to this algebra question.

How to write four times a number,minus 6,is equal to theee times the number+8 as an equqtion

Alcoa was $10.02 a share yesterday. today it is at $9.75 a share. if you own 50 shares, did ou have capital gain or loss ? how much of a gain or loss did you have ? express the capital gain/loss as a percent of the original price