Answer:
B. 4
Step-by-step explanation:
Interval: 19-21
Scores that are between 19 and 21 are underlined:
Scores in order: <u>20, 21, 21, 21</u>, 23, 25, 26, 27, 27, 29
 
        
             
        
        
        
Answer:
commutative property
Step-by-step explanation:
commutative property is when you can flip the variables and numbers in the equation
 
        
                    
             
        
        
        
Answer:
90 degrees 
angles are measured in degrees 
 
        
                    
             
        
        
        
Answer:
2^2
Step-by-step explanation:
2^-3/2^-5
We know that a^b / a^c = a^(b-c)
2^-3/2^-5 = 2^( -3 - -5) = 2^(-3+5) = 2^2