Last week, Mayor de Blasio released an affordable housing plan that seeks, through a variety of subsidies, incentives and mandates, to create or preserve 200,000 units of affordable housing over the ...

Show values that satisfy an inequality on a set of axes by drawing the line of the corresponding equation and shading the area specified in a question. Include a dashed line for inequalities where the ...

Math is one of the hardest subjects in school, which is why owning a graphing calculator seems like a necessity for students. But what if you could use your smartphone to solve equations by pointing ...