Answer: A 
Explaining: Because A actually shows all the steps and work. And it’s the more realest android.
        
                    
             
        
        
        
we know that 
p^2 is the the frequency of hba homozygote
we are given 
frequency of hba homozygotes is 0.1
so,
p^2 =frequency of hba homozygotes
we can plug values
and we get 
 ..............Answer
..............Answer
 
        
             
        
        
        
Answer:
3x² + 30x
Step-by-step explanation:
width of a box = x units.
height of a box = 3 units.
length of a box = (x + 10) units.
Volume of the box = length × width × height
= (x + 10) * x * 3
= (x + 10) * 3x
= 3x² + 30x
Volume of the box = 3x² + 30x
 
        
             
        
        
        
Answer: that's hard 
Step-by-step explanation:that's hard