Answer:
The nth Term of this number is -3n+7
 
 
        
                    
             
        
        
        
Answer:
(9,6) 
Step-by-step explanation:
(6,9)
Because the scale factor is 3 so u r suppose to multiply by 3
 
        
                    
             
        
        
        
Ask every fifth person that exits the school
(systematic random)
        
             
        
        
        
Answer:
(i) The length of AC is 32 units, (ii) The length of BC is 51 units.
Step-by-step explanation:
(i) Let suppose that AB and BC are collinear to each other, that is, that both segments are contained in the same line. Algebraically, it can be translated into this identity:

If we know that  and
 and  , then:
, then:


The length of AC is 32 units. 
(ii) Let suppose that AB and AC are collinear to each other, that is, that both segments are contained in the same line. Algebraically, it can be translated into this identity:


If we know that  and
 and  , then:
, then:


The length of BC is 51 units.
 
        
             
        
        
        
All you have to do is take the size for every cereal, divide it with its price and you should get your answer as cents. then compare them all and see which one has the lowest price. 
* don't forgot to put place holders and add a decimal.