Answer:
Supplementary Angles.
Two Angles are Supplementary when they add up to 180 degrees. Notice that together they make a straight angle. But the angles don't have to be together.
Answer:
c
Step-by-step explanation:
Difference=subtract sum=add. just answering so you don't waste points :-)
Answer:
5x2−9x=7 (Option B)
Step-by-step explanation:
this is correct 100%