you will save 6 dollars If you buy 2 packages, instead if 6 individual pairs.
        
             
        
        
        
Answer:
five , seven
Step-by-step explanation:
brainlyist
 
        
             
        
        
        
Answer:
2i and -2i
Step-by-step explanation:
I'll change u to x to be easier to understand.
x^2 = -4
sqrt(x^2) = sqrt(-4)
sqrt(-4) = 2i, or -2i
 
        
             
        
        
        
Answer:
x = 62
Step-by-step explanation:
x and 118 form a linear pair (added up, they both equal 180 degrees)
So, 180-118 = 62 which is the measurement of x