Answer:
The correct answer is marked.
Step-by-step explanation:
The solution is easily found using synthetic division. The attachment shows how that is done, and what the result is.
If this is supposed to be

Then this can simply be reduced to

by the double angle formula for cosine
The answer I believe would be -6
Answer:
22 or 4+12+6
Step-by-step explanation:
Since A is equal to 2, times 2 by 2 and get 4
Since B= 4 you times 3 by 4 and get 12
4+12 is 16
16 plus 6 is 22
Answer:
750 minutes
Step-by-step explanation: