Answer:
0
Step-by-step explanation:
Use the slope formula: m = 
m = 
The slope of the line is 0.
Answer:
False, the angles remain unchanged
Step-by-step explanation:
Answer:
endpoint is (29, -13)
Step-by-step explanation:
Formula for midpoint is 
So, let
be the coordinates of the endpoint you are looking for.
and
= (10, -3)

-9 +
= 20 7 + 

endpoint is (29, -13)