If [][]=[] . solve the following simultaneous equations

-2x + 6y = 5 and x – 3y = -7 by

(i) Matrix Inversion method

Atriangle includes one angle that 72º. which pair could be the measures of the other two angles of the triangle? a. 9º, 9º b. 26º, 46º c. 53º, 55º d. 72º, 108º

Ineed if you could explain and give me the answer you! this needs done

Azul has 4 green picks and no orange picks.you add orange picks so that there are 2 orange picks for every 1 green pick.how many picks are there now.