Answer:
We don't know that they skew but if Q and R are the same length then they aren't. But if Q and R are different lengths then they are skew. It would help to post a picture.
Step-by-step explanation:
The answer would be A because Seminole just works
Answer:

Step-by-step explanation:
Standard form for a circle is:
(h, k) is the center r is the radius


Answer:
v=18
u=4
Step-by-step explanation:
v/3=6
v=18
2u+2=5u-10
3u=12
u=4