Graph needs to be labeled. I labeled it as shown on picture. It also needs a title. The title can be up to you. :) you can title it “Karen riding her bike”
 
        
        
        
Answer:
180
Step-by-step explanation:
4 times 20 is 80, and 4 times 5 is 100, so add those together and that's the total number of coins
 
        
             
        
        
        
Answer: yes it does
2x= 8 
x= 8/2
x=4. 
        
             
        
        
        
A question such as this one is a little tricky since the people seated are not in a straight line. 
For a circular table seating question, (n-1)! formula is used. Without restrictions 5! people can be seated. 
You might be wondering why it is not 6!, this is because the first person will the the 6 person so you are accounting for the same person twice. 
Hope I helped :) 
        
             
        
        
        
Integers involve with negative, so D isn't the correct answer the correct answer will be A.