<em>Answer:</em>
<em>n = 12</em>
<em>Step-by-step explanation:</em>
<em>85%×n = 10.2</em>
<em>85n/100 = 10.2</em>
<em>85n = 1020</em>
<em>n = 1020 : 85</em>
<em>n = 12</em>
 
        
             
        
        
        
In mathematics: Arithmetic progression, sequence of numbers such that the difference of any two successive members of the sequence is a constant. Geometric progression, sequence of numbers such that the quotient of any two successive members of the sequence is a constant. so i chose b)Sequences
 
        
                    
             
        
        
        
Answer: 540.00
Step-by-step explanation:
 
        
             
        
        
        
The degree is the biggest power present in an equation. 
The first is 6.
The second is 5.
Be careful with equations that aren't fully expanded. 
Hope this helps