Answer:
33
Step-by-step explanation:
simply replace x with 7!
7^2 = 49 
49-16=33
 
        
             
        
        
        
Angles B and D are congruent so:
(360-112-74)/2=87°
        
                    
             
        
        
        
Answer: 40°
Step-by-step explanation: gave up on delta math 
 
        
                    
             
        
        
        
The answer is 9.27 x 10^5
        
             
        
        
        
Subtraction is the opposite of addition. eg. 9+5=14 but 14-5=9