Answer:
$64.99
Step-by-step explanation:
A total of $584.91 was spent among 9 people (Caleb + 8 friends), thus we can find the amount per person. 
Answer:
The data can be modeled using linear equatins, because there's the same amount of population for fish A (+20 per year) and fish B (+30 per year) every year.
2 is the answer
That’s the answer.
Follow PEMDAS.
Parenthesis
Exponents
Multiplication & Division
Addition & Subtraction
Alright, do multiplication first, then division. Then, do subtraction then addition.

Hope this helped!
Answer:
More info please
Step-by-step explanation: