Answer:
1.5
Step-by-step explanation:
As the common difference is not same for all terms, the given sequence is a geometric sequence
the standard formula for a geometric sequence is:

The formula to calculate common ratio is:

Dividing the term by previous term
So,
r = 12/8 = 18/12 = 27/18 = 1.5
The value for common ratio will be:
1.5 ..
it's probably 679 whole tenths
Answer:
Fraction Form: 
Decimal Form: 0.4583
Step-by-step explanation:
Apply the fraction rule: 


Least Common Multiple (LCM) of 12 and 8: 24

Apply the fraction rule:

Answer:
$78.69
Step-by-step explanation:
63.04+58.27=121.31
200-121.31=78.69