1/4 + 1/2 + x = −3/4
get a common denominator 1/4
1/4 +2/4 +x = -3/4
combine like terms
3/4 +x =-3/4
subtract 3/4 from each side
x = -3/4 -3/4
x = -6/4
divide top and bottom by 2
x = -3/2
x = -1   1/2
Answer : x = -1  1/2
 
        
                    
             
        
        
        
Here BD is perpendicular bisector
So
 
Apply Pythagorean theorem
 
 
 
 
 
 
        
                    
             
        
        
        
You have to multiply by how many months or boxes and your gonna have 360 and your friend 288
        
             
        
        
        
Answer:

Step-by-step explanation:
 is an angle in the third quadrant
 is an angle in the third quadrant
To find the reference angle subtract π from it
reference angle =  - π =
 - π = 