Identify the true staments about how attributes might be quantified. The population density in a state can be quantified by the number of people in that state. The shades of gray from black to white that a printer can produce are quantified by the number of black dots per square centimeter. The steepness of a line can be quantified by its y-intercept. The steepness of a line on the coordinate plane can be quantified by the slope of the line