Hi, 
Your y=MX+b equation would be y=20/81x+10
Hope this helps!
        
             
        
        
        
Answer:
Step-by-step explanation:
18 in every 32 (people or whatever it is) 18/32 then simplify i believe
 
        
             
        
        
        
9x8y12 it a lot of work to do so I don't want to type how to do the problem
        
             
        
        
        
Answer:
ok so first start with 97 and 45 put together 57/97 and
Step-by-step explanation:
 
        
             
        
        
        
Traditional 1/2 * base * height
Heron’s formula (it’s quite lengthy so search it up)
Hope this helped you :)