The GCF of 15 and 25 would be 5
        
                    
             
        
        
        
The answer is:  90° .
______________________________________________________
        
                    
             
        
        
        
Answer:
83.15
Step-by-step explanation:
Joey's current grade can be determined by weighting his scores with the weights given and adding the results
Tests = 0.6 x 82 = 49.2 
Quizzes = 0.25 x 77 = 19.25
homework = 0.15 x 98 = 14.7
49.2 + 19.25 + 14.7 = 83.15
 
        
             
        
        
        
Answer:
number 4.     13
because first you do the exponents giving you 8 and then divide which is 2 then you subtract which is 13