Answer:
Rational numbers can be expressed as a fraction
Squared 5 = 25
25 can be expressed as  a  fraction- 25/1, so d is correct.
Let me know if this helps!
 
        
                    
             
        
        
        
Hello:
<span>an = 2an-1 + 5, where a1 = 5
n =2   a2 = 2a1 +5 = 2(5)+5 = 15
</span>n =3  a3 = 2a2 +5 = 2(15)+5 = 35
n =4   a4 = 2a3 +5 = 235)+5 = 75
answer : 
<span>B) 
5, 15, 35, 75, ...</span>
        
                    
             
        
        
        
Now you can see its pretty simple, its 128 but the way i got it is first you double 8 which makes 16 right then double 16 and you can see you got 32 then double 32 which makes 64 so next what you have to do is double 64 Obiously so you just double those numbers to get 128....Get it?
        
             
        
        
        
Answer:
45
Step-by-step explanation:
the 90 degree angle is subtracted by 45 and the answer is.
 
        
             
        
        
        
For you to do area it is length times width.