Answer:
2x+h
Step-by-step explanation:
f(x+h) means that wherever there's an x in the function f(x) we plug in a x+h
we have
(x+h)²+9
Let's start with the numerator
(x+h)²+9-(x²+9)
Distribute the exponent
x²+2xh+h²+9-x²-9
Which gives us
2xh+h²
Divide the whole thing by h to give us
2x+h
 
        
             
        
        
        
Help with what part I can help
        
                    
             
        
        
        
8+.90+.07
This the answer because you have to make it as an addition way. 
Hope I helped.
        
                    
             
        
        
        
Answer:
5, 9/36, -12/16, -23/35
Explanation:
Convert to decimals then rearrange.
 
        
             
        
        
        
Answer:
6.279
Step-by-step explanation:
69% of 9.1
= 69/100 × 9.1
= 0.69 × 9.1
= 6.279
Hope it helps ⚜