4
4 - 3 = 1
1 - 3 = -2
-2 - 3 = -5
-5 - 3 = -8
It's the arithmetic sequence.


substitute

Answer: 
12 is to 56 is the correct answer or just option D lol :)
Answer:
135 degrees and 45 degrees
Step-by-step explanation:
Two angles are supplementary when their sum adds up to 180 degrees.
Answer:
The answer is 14
Step-by-step explanation:
14x2=28
14x3=42 so the greatest common factor is 14