I believe that it’s the first one
        
             
        
        
        
Answer:
x=7
Step-by-step explanation:
by pythagoras, 25^2=24^2+x^2
solve for x
 
        
             
        
        
        
Answer: easy maske sure to multiply
Step-by-step explanation:
 
        
             
        
        
        
Hope it's 30. .....................
        
             
        
        
        
Answer:
b. 0.86, 0.87
Step-by-step explanation:
a. Find attached solution to a