A is the answer. Hope this helps
Answer:
-1 -1 1/2 -1/2 0 1 1/2 1 1/2
Step-by-step explanation:
I think this is right sorry if im wrong
<h3>
Answer: 6x - 3</h3>
Work Shown:
y = expression for the missing side
perimeter = 9x - 1
side1+side2+side3 = perimeter
(2x+4) + (x-2) + (y) = 9x - 1
3x+2 +y = 9x-1
y = 9x-1-3x-2
y = 6x - 3