1. The circle that inscribes the largest star has an approximate area of 28.274333882308138 cm squared.
2. The other circles are 0.7853981633974483, 7.0685834705770345, and 12.566370614359172 cm squared, from smallest to largest respectively. If you wanted to graphically represent the correlation through a linear regression model, the graph would be y = 8.796459x + -9.817477;
3. You can make this face if you convert the text in your signature from romanji to Japanese.