Answer:

Step-by-step explanation:
we know that
A linear pair is two angles that are adjacent and form a line. The angle measure of a line is 180 degrees
In this problem we have that
--- by supplementary angles (form a linear pair)
solve for x




Idk sry I wish I did know but I don’t
Answer:
umm im being rushed...
Step-by-step explanation:
It's the last one (The distance between D and A)
would U like me to explain??
no wait.... it's ether C or D
Answer:
(-3,-4)
Step-by-step explanation:
The vertex is where the parabola curves.