Answer:
A. 280degree
B. 137degree
5(x+2)
Step-by-step explanation:
18
2n^2 - 11
steep by steep explanation
=(4n^2 + 3n -5) -(2n^2 + 3n +6)
= 4n^2 +3n -5 - 2n^2 - 3n -6
= 2n^ - 11
2 times (9+7)
