2m - [n - (m - 2n)]
2m - n + (m - 2n)
2m - n + m - 2n
2m + m - n - 2n
3m - 3n
Answer is D.
Answer:
-3a(9+3b)
Step-by-step explanation:
-9a3-3a3b
= -27a-9ab
= -3a(9+3b) answer
Lmk if this helped if not im sorry
a quadrilateral has 4 angles that add up to 360 degrees
x + 80+110+ 75 = 360
combine like terms
x + 265 = 360
subtract 265 from each side
x + 265 -265 =360 -265
x = 95
Choice C