Answer:
See attached
Step-by-step explanation:
The answers added on the picture
 
        
             
        
        
        
Answer:
23.3
Step-by-step explanation:
 
        
             
        
        
        
Given:
The radius of circle is 11 inch
The value for pi is 3 
The objective is to find the area of the circle.
The area of the circle is given by the formula:

Substituting ,r = 11

We get:

Hence, the area of the circle is 363 square inches
 
        
             
        
        
        
Answer:
This is what brainly is for tho
Step-by-step explanation:
 
        
             
        
        
        
Usually when you see f(x) or as yours is f(6) f with parenthesis is just a fancy way of saying y= so basically you plug six in for the x values of your question