Answer: 42 degrees 
Explanation: KFD=84 KFL is half of KFD(84) 
84 divided by 2 = 42
        
             
        
        
        
Answer:
<h2>[a]=x²_6x</h2><h2>[b]=4x²+x</h2><h2>[c]=10x²+8x</h2><h2>[d]15x²_3xy</h2>
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:530,000
Step-by-step explanation: ten thousand is the 2 so you would round the number to the right up or down and it is 5 so you round up
 
        
             
        
        
        
Answer:
<h2>             39°</h2>
Step-by-step explanation:
A radius to the tangent point always forms a right angle with the tangent:
m∠XWY = 90° 
So:
   90° + 58° + x - 7° = 180°
     141° + x = 180°
         x = 39°
 
        
             
        
        
        
Answer:
the answer is 15:75
Step-by-step explanation:
(1+5)=6
£90/6=15
So, (1×15):(5×15) 
=15:75