Answer:
Question 13. I believe is C.
Step-by-step explanation:
take your area of the face you are given aka your 7 5/6 and multiply it by six since there are six faces. 
You can convert the mixed number to an improper fraction
       = denominator times the whole number ( 6x7)= then add the numerator    (42+5)=
  = denominator times the whole number ( 6x7)= then add the numerator    (42+5)=
Then multiply by six to get your answer
 I'm not completely sure about question number fourteen so I am not answering it.
 
        
             
        
        
        
The answer is B. It’s not too difficult
 
        
        
        
Answer:
D. y=-3x+8
Step-by-step explanation:
first, get the 12x on the other side of the equation
12x+4y-12x=32-12x
4y=-12x+32
divide the equation by four
y=-3x+8
Hope this helps!
 
        
             
        
        
        
Answer:
F
Step-by-step explanation:
The median is always the letter in the middle