Answer:
-5
Step-by-step explanation:
Rate of Change also slope 
Slope = y-y1/x-x1 = tanα = y/x
15-5/2-4 = 10/-2 =-5
 
        
                    
             
        
        
        
87. Because 3*3*3*3 is 81 and 570/6 is 95 and 87/7 is 12 R 3
        
             
        
        
        
Answer:
it would be 6
Step-by-step explanation:
 
        
             
        
        
        
See picture for the set up. You finish. Do the math. 
 
 
        
             
        
        
        
Answer:
i can't see the rest of the question so i don't know the answer choices but:
since x≥8 
whichever choice is less than 8 is incorrect 
step-by-step explanation:
i can't see the rest of the question so i don't know the answer choices but:
7x≥56
x≥8