Answer:
85
Step-by-step explanation:
Order of operations rules (PEMDAS) govern here.  Anything inside parentheses must be done first, followed by exponentiation, mult. and div., and add. and subtr. last.
Add 2+5 first:    5 + 2*{(7)*5 + 5}
Perform the work shown inside the brackets {  and  }:  5 + 2*{40}
Perform the indicated mult.:  5 + 80
Finally, add:  85
 
        
                    
             
        
        
        
Answer:
$864.88
Step-by-step explanation:
(1. $600 + $49.50 = $649.50
(2. $200 + $15.38 = $215.38
$649.50 + $215.38 = $864.88
A = $864.88
 
        
             
        
        
        
Answer:
1:2:√3
Step-by-step explanation:
since XYZ is a special right triangle
 
        
             
        
        
        
Answer:
m=25/12
Step-by-step explanation:
multiply the reciprocal of 2/5 on both sides