Answer:
Her mistake was to change the inequality sign from ≥ to ≤.
The sign only changes when you multiply or divide both sides of an inequality by a negative number.
 
        
             
        
        
        
Answer:
no
Step-by-step explanation:
 
        
                    
             
        
        
        
I believe the answer would be B, since both situations give you 6 chances at drawing/rolling the right number/marble.
        
             
        
        
        
The answer is -21.4
Hope that answers your question ;)
 
        
             
        
        
        
Answer:
y=90 degree 
Step-by-step explanation:
bcz this triangle is drawn in the semi-circle and the greatest angle of triangle in a semi-circle is always right angle.