I believe the answer is A
        
             
        
        
        
9514 1404 393
Answer:
   ∠4 = 45°
Step-by-step explanation:
Angles 1, 2, and 4 are all congruent.
   ∠4 = ∠2
   x +30 = 2x +15
   15 = x . . . . . . . . . . . . . subtract x+15
   x + 30 = 45 = ∠4
 
        
             
        
        
        
I do not know exactly what you are trying to ask, but yes. Any time that the slope is greater than 0, the graph will increase in a positive direction. 
        
             
        
        
        
Answer:
im pretty sure its D :) hope this helps you out.
 
        
             
        
        
        
Answer:
 or
 or 
Step-by-step explanation:
I assume you mean 
there is a common factor of 9 in the numerator and denominator so we can cancel out to form  
 
 is technically a correct answer, but I will go ahead to rationalize the denominator
 is technically a correct answer, but I will go ahead to rationalize the denominator
multiply  by some form of 1. this case, we will use
 by some form of 1. this case, we will use  as our 1.
 as our 1. 
 *
* =
 =  =
 = 