For what measurements? if you’re talking like science stuff i use King Henry Drank My Delicious Chocolate Milk for Kilo Hecto Decka, middle, Deci, Centi, Milli. middle is your unit!
        
             
        
        
        
Im thinking c, im sorry if wrong
        
             
        
        
        
F(x) = 29x +38. F(x) is a fancy way of saying y= and you must know the basic formula y=mx+b
        
             
        
        
        
The answer would be B. You would need to keep the first fraction, change to multiplication, and flip the second fraction and multiply across.