The answer is the first one: (z+1)(y+6).
Explanation:
yz + 6 + y + 6z
= yz + y + 6 + 6z 
= y(z+1) + 6(1+z)
= (z+1)(y+6)
For (z+1), you can also write (1+z), it doesn’t matter.
Hope it helps! 
        
             
        
        
        
 75%. Just divide 15/20 and you will get .75 then multiply by 100 to turn the decimal to a percent
        
                    
             
        
        
        
Answer:
there will be 19 $100 bills
and 11 $10 bills
Step-by-step explanation:

 
        
                    
             
        
        
        
The correct answer is A. $18
8 x 125% or 8 x 1.25 = 10
Add $10 to $8 and you get $18