Answer:
20
Step-by-step explanation:
If the two triangles are similar, then corresponding sides must share a constant ratio. This means that:

Let's use the second ratio:

Multiply both sides by 12:

Hope this helps!
 
        
             
        
        
        
Answer:
1: No, this is not direct variation
2: Yes, this is direct variation with k= 2.34
Step-by-step explanation:
I’m Just Built Different 
 
        
             
        
        
        
Expression given:

<em>Procedure</em>
As the problem is saying that <em>c = 3 </em>and <em>d = 9</em><em>,</em> we have to replace the values in the given expression:


Answer:
 
 
        
                    
             
        
        
        
X+7= Yvonne's age.
a. 4(x+7)=200
b. 4(x+7)=200
4x+28=200
4x=172
x=43
Yvonne is 43 years old.
c. 43-7=Xavier's age.
36
Xavier is 36 years old.