Answer:
5
Step-by-step explanation:
The nth term of the geometric sequence is 

In general the nth term of a geometric sequence is 

By comparism;
 is the common ratio of the sequence.
 is the common ratio of the sequence.
Or


Common ratio is

 
        
             
        
        
        
Answer:
Step-by-step explanation:
6n < -12 
6n/6 <-12/6 divide six on both sides 
n < -2
 
        
             
        
        
        
Answer:
The high school graduating class changed by approximately 23%
Step-by-step explanation:
we have
The high school graduating class of 2010 was 260 people
Five years later the high school graduating class was 320 people.
we know that
260 people represent the 100% 
so
The difference is (320-260)=60 people
using proportion
Find out what percentage represent 60 people 
Let
x ----> the percentage that represent 60 people

therefore
The high school graduating class changed by approximately 23%
 
        
             
        
        
        
Answer:
40, 48, 56
Step-by-step explanation:
8x5 is 40
8x6 is 48
8x7 is 56
I hope this helps have a good day
 
        
             
        
        
        
Answer:
B
Step-by-step explanation:
y= -x+18 and y= 3/4x+4
use slope intercept form: y=mx+b
m = slope
b = y-intercept