im not sure if you want the solution or interval notation. i'll put both
solution: -oo < x < oo
interval notation: (-oo, oo)
this ? makes no sense Step-by-step explanation:
Where is your problem
Answer:
< A+< B =180
2n + 3n +20 =180
5n = 160
n = 32
(B= 116 ..........
answer is C
