The fourth one is correct
You just do what it says, combine like terms so if there is more than one number squared just add up the numbers.
You also what to put them in order for the biggest number to the smallest so if there’s squared cubed and Normal number you want to put it in the exact order I gave you.
So first let’s combine.
-20a^2 + 40a^2 = 20a^2
5b + 35b + 2b = 42b
-15c
Therefore this is the answer.
20a^2 + 42b - 15c
Answer:
In the story “The Most Dangerous Game,” Rainsford’s decision to kill Zaroff is justified because he could not trust Zaroff to keep his word and set him free.
Explanation:
The phrase for we are cut off from all the rest of the world
