You can simply multiply all the combinations of 3,5, and 7 in pairs:
1) 3 * 5 = 15
2) 3 * 7 = 21
3) 5 * 7 = 35
Don't forget the numbers multiplied to itself:
4) 3 * 3 = 9
5) 5 * 5 = 25
6) 7 * 7 = 49
 
        
             
        
        
        
Answer:
y = 25x - 300.
Step-by-step explanation:
This is a reasonable conclusion because we know that Steven earns $25 an hour, so it would be 25x. Since we know he pays rent, we are going to subtract that from 25x. Therefore, y = 25x - 300 is the answer.
 
        
                    
             
        
        
        
Answer:
b) 4x 
Step-by-step explanation:

 
        
                    
             
        
        
        
Answer:
Step-by-step explanation:
3 Great Ways to Teach Adding Integers
Typically, you should begin by having your students think about real world examples of positive and negative integer. ...
Then, model this example using counter chips.
Finally, have your students model addition problems using the counter chips.