Answer:
18
Step-by-step explanation:
Supplementary and adjacent.
Two angles are called supplementary when their measures add up to 180 degrees.
Adjacent angles are two angles that have a common vertex and a common side but do not overlap.
Answer:
81
Step-by-step explanation:
2x+6=84
2x=78
81
find your own way
Answer:
option c is the correct answer
Answer:
The decrease as a percent is -300%
Step-by-step explanation:
