Answer:
Opposite sides are corresponding (AB = DC).
Opposite angles are corresponding (D = B).
Consecutive angles are supplementary (A + D = 180°).
If one angle is right, then all angles are right.
The diagonals of a parallelogram hemisect each other.
Step-by-step explanation:
 
        
             
        
        
        
Answer:
x=-7
Step-by-step explanation:
add 4 to both sides. leaving you with x=-7
 
        
                    
             
        
        
        
It would be $10. There is a formula to this "madness". Divide $97.95 by 9.5%. Ignore the rest of the numbers. (I'm pretty sure it has like 7 or 8, but I only went up to 3. Just make sure you have have the whole number, $10). Hope this helps.
        
                    
             
        
        
        
Answer:
= -33
Step-by-step explanation:
 
        
             
        
        
        
FYI - 14,15,16 are correct. 
17. a) 7 (nearest integer), b) 6.8 (nearest tenth)
18. a) 14 (nearest integer), b) 13.8 (nearest tenth)
19.  --> simplified to = 2
 --> simplified to = 2
<em>-- let me know if you have any questions regarding this. </em>