Answer:
A function is a relation in which each possible input value leads to exactly one output value
 
        
             
        
        
        
Answer:
1.671:1
Step-by-step explanation:
80/7=11.99(9) or ~12
90/12= 7.177(7)
11.99(9)/7.177(7)=1.671
1.671:1
 
        
             
        
        
        
Answer:
Step-by-step explanation:
12.4
you have to multiply 1 5/9 times 8
 
        
             
        
        
        
B is just simply the y intercept