Answer:
a)a^4 + 19a^2 -12ab - 3b^4 +6b...
Answer:
Hello,
Step-by-step explanation:
Let's assume A,B,C the 3 explorers and X,Y,Z the 3 guides.
Only A and X can operate the boat.

I hope you will understand the travels
Answer:
1 and 3, if im wrong i am sorry I have not don this in a long time
Step-by-step explanation:
Answer:
The correct answer for this question is −3x+10 and the term is 5x