Order of operations; PEMDAS
Exponents first since there is no parenthesis. 
10^2 = 100 
100-8+4•3
then multiplication 
100-8+12
then addition 
100-20= 
 so your answer is 80 
        
             
        
        
        
Answer:
C)  1 / 462
Step-by-step explanation:
22 x 21 = 462
 
        
             
        
        
        
Answer:
5, 6 and 9 , 10 so E and F. 
Step-by-step explanation:
 
        
             
        
        
        
Answer:
slope = 
Step-by-step explanation:
calculate the slope m using the slope formula
m = 
with (x₁, y₁ ) = (9, 6 ) and (x₂, y₂ ) = (4, 5 )
m =  =
 =  =
 = 