Answer:
D. 
Step-by-step explanation:
A square root can't be evaluated if the number we want to find the square of  is nagative. 
 
        
             
        
        
        
Answer:
= 87.26 + (-25.6) + (-5.4)
=87.26- 25.6 - 5.4
= 87.26 - 31
= 56.26
✌✌✌✌✌
 
        
                    
             
        
        
        
A and C is enlargement
B,D,E is reduction
        
             
        
        
        
Answer:
471.2 cm³ missing
Step-by-step explanation:
jars are cylinders 
volume of cylinder = π * r² * h
h=10
r=5
v=785.4 cm³ of a full jar
r stays the same = 5
h = 4
v= 314.2 cm³ left in the jar
whats missing is the full-left
785.4-314.2=471.2 cm³ missing
 
        
             
        
        
        
9.8 meters divided by .14 meter pieces. 70 pieces that Ralph can cut from the spool.