Help I'm confused and never once heard about a tree diagram or how to use one. :{

What is best way to getting answer for my exam is

Pat listed all the numbers that have 15 as a multiple write the numbers in pats list

Asquare has a side that measures 11 units. what is the area of a circle with a circumference that equals the perimeter of the square? use 3.14 for π, and round your answer to the nearest hundredth. 1519.76 units2 379.94 units2 616.56 units2 154.14 units2