5/8 is the simplified fraction for 40/64
        
             
        
        
        
Answer:
x ≠ -4
Step-by-step explanation:
Division by zero is not defined, so x cannot = -4.
 
        
             
        
        
        
Answer:
the last one
Step-by-step explanation:
In the last one, it takes all of the numbers in the one parentheses and distributes it to the 0.5. 
Look at the picture. (sorry for the messy writing)
 
        
             
        
        
        
Answer:
7.235 cm
Step-by-step explanation:
Pythagorean theory
A^2 + B^2 = C^2
A = 4.7
B = 5.5
4.7^2 + 5.5^2 = C^2
22.09 + 30.25 = C^2
√52.34 = √C^2
7.235 cm ≈ C
 
        
             
        
        
        
Answer:
y=-2x+9
Step-by-step explanation: