Answer:
b
Step-by-step explanation:
9+3x^2
It's technically already in simplest form, except you usually put x first
=3x^2+9
Step-by-step explanation:
x²+4-4x+y²=3
x²+y²-4x+1=0
Answer:
131˙
Step-by-step explanation:
Supplementary angles are angles that add up to 180˙. If you subtract 49 from 180, you get 131.
Brainliest? Maybe?
