Answer:
equilateral triangle
equilateral triangles are triangles with three equal sides
equiangular triangles are triangles where all e angles are the same
 
        
                    
             
        
        
        
Answer:


Step-by-step explanation:
2x² +21x-61 = (x+7)²
expand
2x² + 21x - 61 = x² + 14x +49
move everything to one side 
x² + 7x - 12 = 0
use quadratic formula
 
plug in the values

solve



 
        
                    
             
        
        
        
Answer:
61
Step-by-step explanation:
add the number of minutes for each day and then divide that number by the number of days
 
 

 
        
                    
             
        
        
        
880
Underline the number in the tens place
look to the right
if number is greater than 5
add 1 to the underlined number
leave the numbers behind the underlined number zero
        
                    
             
        
        
        
Answer:
-4/6, or -2/3
Step-by-step explanation: