The answer for that problem is X<26
        
             
        
        
        
When you say "which," it sounds like it should be multiple choice. Anyways, here's the simplified form of 


(When simplifying fractions, you should <em>never</em> have a square root on the bottom. Multiply by the square root to cancel it out)
 
        
        
        
Answer:
B grade
Step-by-step explanation:
75 + 90 + 88 + 86 = 339
339/4 = 84.75
Grade B = 80-89%
 
        
                    
             
        
        
        
Answer:
19
Step-by-step explanation:
First, find the unit rate. (How much she makes in 1 hour.)
28.50/3 is 9.5
Now it asks for how much she will make in 2 hours.
9.5 x 2 is
19.
 
        
             
        
        
        
I think it is C-two real solution