Answer:
Step-by-step explanation:
The unit rate of the 100m race is 2.12... m/s which you get by dividing the 100 meters by the 47 seconds. The unit rate for the 50m race is 2.08... m/s which you get by dividing the 50 meters by the 24 seconds. This means that the record for the 100m race is faster.
 
        
             
        
        
        
Answer:
9.99
Step-by-step explanation:
 
        
             
        
        
        
Step-by-step explanation:
This is in the form of

in this case, x is 1 and y is 7. So ourbpoint would be (1,7.)
 
        
             
        
        
        
2nd one because it’s not a lot of big number I hope it helps
        
             
        
        
        
Answer:
10, and 4. 
Step-by-step explanation:
39+48=87
87-13=74
74 divided by 7= 10 R4
Greatest amount of bricks= 10
Leftovers= 4.