Answer:
no solutions
Step-by-step explanation:
−2a + 2a + 7 = 8
Combine like terms
7 = 8
This is never true so there are no solutions
Answer:
3
Step-by-step explanation:
Answer:
(-4, -1/2)
Step-by-step explanation:
to calculate the midpoints bt of the line use the ormula:

Where (x1, x2) is one coordinate point and (y1, y2) is anither coordinate point. Any two points will work, but I chose A (-5,-4) and B (-3, 3).

(-4, -1/2)
B. angle 2 and angle 3 and congruent.
Please press brainliest if this helped you.
Answer:
B
Step-by-step explanation:
the supplement is the angle that will add to the other angle to get 180 degrees. 180-129=51 which is B.