So. . . . what is ( 7 + 21 + 18 + 13 ) ?

Express in the simplest form: (x^2+9x+14/x^2-49) / (3x+6/x^2+x-56)

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?

In the picture below, line pq is parallel to line rs, and the lines are cut by a transversal, line tu. the transversal is not perpendicular to the parallel lines. note: figure is not drawn to scale. which of the following are congruent angles?