Can someone help me with this question please :) it’s for Geometry

What aspects of lines have to be diffrent

Find an bif a = {3, 6, 9, 12) and b = {2, 4, 6, 8, 10).

In a young single person's monthly budget, $150 is spent on food, $175 is spent on housing, and $175 is spend on other items. suppose you drew a circle graph to represent this information, what percent of the graph represents housing?