Answer:
x=2
Step-by-step explanation:
assuming this shape is euclidean (don't pay attention to this just some extra info, assume that all triangles on a sheet of paper have angles summing to 180)
The sum of all angles in a triangle is 180, so
90+60+15x=180
150+15x=180
15x=30
x=2
 
        
             
        
        
        
Good evening 
Answer:
<h2>39</h2><h2 />
Step-by-step explanation:
9(14-5)-42 = 9×9 - 42 
                 = 81 - 42 
                 = 39
________________
:)
 
        
             
        
        
        
Answer:
14?
Step-by-step explanation:
 
        
             
        
        
        

Start by dividing both sides by 3. Then take the square root of both sides. Then subtract 3 from both sides and divide by 2.