Answer:
A total of 360 residents left Planet X in the past 3 years.
Step-by-step explanation:
120 are the residents per year and the 3 represents the years so when you multiply them it would make how many residents that left Planet X in 3 years.
Answer:
1 +√21 + 1 - √21
2 2
Step-by-step explanation:
This is a lot of math to write.... so I'll just say the answer is -21 :D
What are your answer choices
A -2
B -5
I think I might be wrong
