Answer: 
Step-by-step explanation:
 
        
             
        
        
        
You can determine the shape if it is a triangle, square, rectangle, or hexagon (or other) by seeing how many sides it has.
a triangle has 3 sides.
a square has 4 sides.
a rectangle also has 4 sides.
a pentagon has 5 sides.
a hexagon has 6 sides.
        
             
        
        
        
Answer:
7
Step-by-step explanation:
6.7 rounds up to 7
 
        
             
        
        
        
Answer:
a^2 + 4a/b + 4/b^2
Step-by-step explanation:
Which of the following is equivalent to (a + b/2) ^2?