What is (5+2i)⋅(−5−i)

What is the similarity ratio of a cube with volume 729m^3 to a cube with volume 3375 m^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?

What is the slope of the line that contains the points (-5, 6) and (14. - 7)?