=2 4/5
8/10+2
2+8/10=2 8/10
4/5- -2/1 
(4x1)-(-2x5) divided by 5x1 
=4- -10 divided by 5
=14/5
=2 4/5 
        
             
        
        
        
Answer:
Option 3 or Option 4.
Step-by-step explanation:
I have this doubt because actually, a rhombus with a right angle (one) is not necessarily a square. Some rhombuses have one right angle and are still not squares. Now, if the four angles are right, it is a square, but this only says one.
On other hand, a parallelogram with congruent diagonals isn't a square necessarily either. Rectangles have congruent diagonals and are parallelograms.
In case you only can answer with one, I'll say is option 3, hope it helps!
  
 
        
             
        
        
        
Answer:
1/13
Step-by-step explanation:
there are 4 kinds and 52 cards so its 4/52 which simplifies to 1/13
 
        
                    
             
        
        
        
Step-by-step explanation:
❉ 
❉ 
Plug the value of x and simplify :
⟿ 
Add the numbers : 4 and 5
⟿ 
Multiply 7 by 9
⟿ 

Hope I helped ! ♪
Have a wonderful day / night ! ツ
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Answer:
first off, when did Marge become a teacher
Step-by-step explanation:
Second off, he didn't flip the sign inside of the parentheses.