Step-by-step explanation:
try the option shown in the attachment, note, all the answers are marked with red colour.
 
        
             
        
        
        
Answer:
B
Step-by-step explanation:
 
        
                    
             
        
        
        
Solve for R by simplifying both sides of the equation, the isolating the variable. 
R^2h=-r^2+v
        
             
        
        
        
I just got this question. I think the answer is 5.
        
                    
             
        
        
        
Answer:
g < 3
Step-by-step explanation:
in order to stay under his budget of 45 dollars he can get any number of gigabytes less than 3. Its not less than or equal to, because he wants to keep his bill UNDER 45 dollars, and 3 gigabytes plus his plan amounts to 45 dollars exactly.