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 ...

The United States has the highest income gap in the developed world, and it's affecting how kids do in school, new research suggests. A new study reports that 10-year-olds' scores on standardized math ...

Often in real life we find ourselves in situations that can be represented mathematically by inequalities. For example, if we want to take a taxi, we may find that the charge is £1.50 standard charge ...