Answer:
10= 275
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11= 
a  6
b  4
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12= 35
Step-by-step explanation:
 
        
             
        
        
        
Answer:
No because the angle of point C is NOT congruent to the angle of point A.
Step-by-step explanation:
A quadrilateral MUST be a parallelogram if it has both pairs of its opposite angles congruent.
 
        
             
        
        
        
It's irrational, number and intiger
        
             
        
        
        
3,200,00 converted to scientific notation is 3.2 x 106
        
                    
             
        
        
        
Answer:
.1
Step-by-step explanation:
Try and take it step by step.
-2.3 + 10.8 + (-8.4)
First let's rearrange and combine the negatives.
-2.3 + (-8.4) + 10.8 
-2.3 + (-8.4) = - 10.7
Let's rewrite 
10.8 - 10.7  and solve!
10.8 - 10.7 = .1