Answer:
3/4 1/2    =3/5
Step-by-step explanation:
 
        
             
        
        
        
Answer: 
b and c
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
A : ±2
Step-by-step explanation:
Add 14 and you have ...
... x² = 4
Take the square root and you have ...
... x = ±√4 = ±2
 
        
             
        
        
        
1 is 39. J don’t know about 2 and 3 though:(
        
             
        
        
        
Answer:
x = 2
y = 1
Step-by-step explanation:
3x - y = 5..............(1)× 1
2x + y = 5...….......(2)× 1
3x - y = 5..............(3) 
2x + y = 5.............(4)
Cancel y
3x + 2x = 5 + 5
5x = 10 
Divide both sides by 5
x = 2
Substitute for the value of y
3x - y = 5
3(2) - y = 5
6 - y = 5
6 - 5 = y
1 = y
y = 1