The lines are parallel.
Theorem: If two parallel lines are cut by a transversal, then same side interior angles are supplementary.
The angles measuring 16x + 4 and 80 are supplementary, so thjeir measures add to 180.
16x + 4 + 80 = 180
16x + 84 = 180
16x = 96
x = 6
Answer: A - 6
Answer:
S(1) = 1
S(n) = S(n-1) + n
Where S(n) is the sum from 1 till n
And,
S(n-1) is the sum from 1 till n-1
Answer:
b
Step-by-step explanation:
The greatest common factor is 2
