Answer:
< A+< B =180
2n + 3n +20 =180
5n = 160
n = 32
(B= 116 ..........
answer is C
x= 1, 4
Step-by-step explanation:
none
, the answer 17.25, there must a be a typo in your question
8/3
(12/15)/(3/10)=(12/15)(10/3)=120/45=8/3
Simplified would be 4xy + 3x^2 + 6x