Answer:
Wait I just realized, none of them are cubic? for a polynomial to be cubic it needs to be 
Answer:(4) right angle
Step-by-step explanation:
you need to get 180 right solve it from there
Answer:
x=50
Step-by-step explanation:
(x-10)+x+90=180
2x-10+90=180
2x+80=180
2x=100
<u><em>x=50</em></u>
Answer:
your answer is 0 because it's a horizontal line