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:
x = -16
Step-by-step explanation:

Answer:
19.84
the decimal has to stay in the same place
Step-by-step explanation:
Answer:
3052. 08
Step-by-step explanation:
volume = 4/3πr^3
= 4/3π*(9)^3= 3052.08 in^3