The product is 1800
because 90x20
        
             
        
        
        
Answer:
c
Step-by-step explanation:
 
        
             
        
        
        
slope  = (y2-y1)/(x2-x1)
         = (70-52)/(8-1)
     = 18/7
=2.6
point slope form
y-y1 = m(x-x1)
y-52 = 2.6(x-1)
distribute
y-52 = 2.6x-2.6
add 52 to each side
y = 2.6x+49.4
y = 2.6x +49
the initial temperature is 49.4 or about 49
and it increases about 2.6 degrees each week
 
        
             
        
        
        
Answer:
C) If the perfect square terms are A^2 and B^2 and other terms must be 2 AB and -2AB
Step-by-step explanation:
As,

 
        
                    
             
        
        
        
Answer:
D
Step-by-step explanation:
i just know i guess