The problem is that 7^2 is 7*7, and the same for 8^2. The right answer is the square root of 15, or 3.87
        
                    
             
        
        
        
Answer:
1 is Answer.
Step-by-step explanation

= 
As we know that ω²+ω+1=0
Thus putting in above equation, we get
= 
Rearranging and simplifying:
= 
= 
= 
= 1 Answer
 
        
             
        
        
        
Answer:
(4, 5)
Step-by-step explanation:
Calculate the midpoint using the midpoint formula
midpoint = [( + ), ( + ) ]
with (,  ) = (1, 2) and (,  ) = (7, 8)
midpoint = [(1 + 7), (2 + 8) ]
               = (4, 5)
 
        
             
        
        
        
Answer:
-the ratio of the number of tacos Jackie made to the number of tacos Marta made
 
-the ratio of the number of tacos Marta made to the number of tacos Manny made
 
-the ratio of the number of tacos Manny made to the number of tacos Marta made
 
-the ratio of the number of tacos Vinny and Marta made to the number of tacos Vinny and Evelyn made
Step-by-step explanation:
There are 4 that apply! Jackie and many both made 6 and Marta made 4 so the ratio is 6:4! Vinny and Marty's combined is 6 and Vinny and evelyn's combined is 4 so the ratio is 6:4!