I don’t understand please help

How many square feet of out door carpet will we need for this hole? 8ft 3ft 12ft 4ft

Describe the relationship between the angles of similar triangles and the sides of similar triangles

Molly shared a spool of ribbon with 12 people. each person received 3 feet of ribbon. which equation can she use to find r, the number of feet of ribbon that her spool originally had?