Answer:
90 degrees 
angles are measured in degrees 
 
        
                    
             
        
        
        
Answer:58 (The sequence of numbers increases by increments of eight)
        
             
        
        
        
Answer:
It is B) 3/4a-1/2b-3
Step-by-step explanation:
I did the instructions :)
 
        
                    
             
        
        
        
Answer:
Hopefully, I am correct is it 1/4??
Step-by-step explains:
(Sorry If I am wrong I just guessed.)
 
        
             
        
        
        
Step-by-step explanation: Isolate the variable by dividing each side by factors that don't contain the variable.