What is the equation of a quadratic function y=f(x) with two irrational numbers

What is a possible solutions of the x> 3?

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?

Find the length of the normal and the angle it makes with the positive x-axis. (see pictured below)