Okay so just put the 4 in for x 
and multiply 
        
             
        
        
        
Answer:
-4, 19
Step-by-step explanation:
 
        
             
        
        
        
Answer:
1, 2, and 6
Step-by-step explanation:
5*.25=1.25 7*.25=1.75 12*.25=3
 
        
             
        
        
        
Answer:
24
Step-by-step explanation:
6 ÷ 15 = 0.4
X to Y = 20 × 0.4 = 8
Y to Z = 25 × 0.4 = 10
Perimeter: a + b + c
6 + 8 + 10 = 24
Even I am surprised by what I wrote. Hopefully, it is right and helps you ^-^ Please comment if you have any questions.
-Tay did this
 
        
             
        
        
        
Answer: 1.0 is the larger one.