Not to sure but wouldn't be 96
Answer:
B. factoring a trinomial
Step-by-step explanation:
I believe the answer to your question will be C. Hope this helps :)
Answer: 
Step-by-step explanation:
Given
Population of dust particle doubles every 30 minutes
If the initial sample is 21 grams
The model to predict the population will be

Where t=time in hours
A day has 24 hours . So, for 2 days time is 48 hours
Population is given by
Answer:
3
Step-by-step explanation:
25 - 10 -3 × [2-(-2)]
25 - 10 -3 × (2+2)
25 - 10 -3 × 4
25 - 10 - 12
3