Answer:
no both are "=" hard
Step-by-step explanation:
CI is congruent to AI
Step-by-step explanation:
Congruent means they are identical, CI and AI are identical
Answer:
7.10299
Step-by-step explanation:
is best evaluated in a calc.
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 to your question
The base is X
What are the other stuff then?
2 is the power
3 is the constant