Answer
it is the 3rd one I believe sorry if you got it wrong thought 
Step-by-step explanation:
I think you can find the explan on g00gle or on your notes if you write any
 
        
             
        
        
        
Answer:
f(x)=2x
Step-by-step explanation:
You can get your (a)term by finding rise/run, and there is no y-intercept so the (b)term is not known. Thus you get f(x)=2x.
 
        
             
        
        
        
Distribute the 2 to get the pink box
10x + 2y = 18
Then if we are subtracting the bottom equation from the pink box
10x + 2y = 18
-(10x -7y = -18)
9y = 36
y = 4
        
             
        
        
        
We have been given that triangle def is a dilation of triangle abc with scale factor 2. In triangle abc the largest angle measures 82 degree and we are asked to find largest angle measure of triangle def.
Since we know that dilation stretches or shrinks the original figure. Dilation does not change or affect angle measure. 
Upon dilating our triangle abc by a scale factor of 2 sides of triangle will increase but angles will remain same.  
Therefore, largest angle measure of triangle def will be 82 degrees as well. 
 
        
             
        
        
        
Answer:
3/8, 2/5, 0.44, 0.5
Step-by-step explanation: