Answer:
D
Step-by-step explanation:
The Order of magnitude for the population of the world is not five
A picture types of the models would be helpful.. but they could be found in a rectangular shape or square such as width=2 and length =12 vise versa or w=4 and length = 6 , etc etc
The last option: In his recursive formula, he should have the term an−1 instead of −4 to get an=an−1−3.
