[10 points each] Use your algebra tiles to build and sketch each expression as a tile figure. Make sure to indicate any “negative” tiles in your drawing with color or labels. (Part 1) 4y-3

(Part 2) x2-3x+6

(Part 3)2xy+x+2y

step-by-step explanation:

option (b) is correct

step-by-step explanation:

to find the solution of this system, we need to convert it into reduced row-echelon form. we have,

after applying row operations r2 -> r2/2 and r3 -> r3/3, we get,