If there is 10% interest then you would gain 200$ a year meaning it would take 10 years.
        
                    
             
        
        
        
Answer:
x is 4
Step-by-step explanation:
21x+6 = 90
21x=84
x=4
 
        
                    
             
        
        
        
Answer:x+-3
Step-by-step explanation:
-6x+21-3
-6x=18
 
        
             
        
        
        
Answer:
Step-by-step explanation:
Add 1 and subtract 1, so that the expression won't change.

              
(a² - b²) = (a+b)(a - b)
Here a = x² - (1/x²)  and b = 1
 
 
        
             
        
        
        
Answer:
<h3>The answer is option B</h3>
Step-by-step explanation:
The nth term of the sequence is
A(n) = 5n + 7
To find the (n+1)st term substitute n+1 into the general equation
That's
<u>For (n + 1)st term</u>
A(n+1) = 5(n+ 1) + 7
A(n+1) = 5n + 5 + 7
<h3>A(n+1) = 5n + 12</h3>
Hope this helps you