I am almost positive that the answer is the first one.
Answer:
3x^2+6x+4 is the answer :D
Answer:
A
Step-by-step explanation:
A is the answer A is the answer
Answer:
I believe it is 60 degrees
Step-by-step explanation:
90 degrees plus 30 is 120 then plus x will be 180 so 180 - 120 is 60