Answer:
B. 10
Step-by-step explanation:
Look at the chart.
Find how many members are 50-60 inches tall. (6)
Find how many members are 61-70 inches tall. (4)
Add each member count up. (10)
 
        
             
        
        
        
Answer:
(4, –2, 1)
Step-by-step explanation:
You have to put in it the calculate and solve the matrix way
 
        
             
        
        
        
It would be B! :) have a good day
        
             
        
        
        
If I remember My geometry correctly
you add GH AND EF then divide 2