You have to tell me how many friends Carlos has but so far he made five braclets for the Bess friend and however many friends Carlos had times 3 hope this helps withe the info I got from you ☺
To find the area of a circle you need to find the radius. You find the radius by dividing the diameter by 2. So in this case, the radius is 14. Multiply 14 by pi and square your answer for the area.