My math homework bc i don't get it that mu h that's y i need

Prove that quadrilateral is a rhombus.

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?

Interpret the following expression (5y^2-7)^3/(2y)^2