You need to use the equation (secant)(exterior)=(secant)(exterior).
Learned about this today.
There is no possible answer for this question. Try writing it more clearly.
Answer:
150 (D)
Step-by-step explanation:
Answer: 
Not a factor because there is a remainder.
Step-by-step explanation:
Let's use synthetic division to solve this..
-1 ║ 2 | 4 | -2 | -8
║ | -2| -2 | 4
║ 2 | 2| -4 | -4

PS: if anyone knows a better way to do a synthetic division chart please let me know.
Answer:
Yes.
Step-by-step explanation:
Any three points are always coplanar.