If you were to plot a graph of the profit generated by this book, what would the slope and the y-intercept represent?

When only separate discreet points are graphed it is called?

Which inequality statement describes the two numbers on a number line? "? 7 and a number 5 units to the right of ? 7"

Data from 2005 for various age groups show that for each $100 increase in the median weekly income for whites, the median weekly income of blacks increases by $105. also, for workers of ages 25 to 54 the median weekly income for whites was $676 and for blacks was $527. (a) let w represent the median weekly income for whites and b the median weekly income for blacks, and write the equation of the line that gives b as a linear function of w. b = (b) when the median weekly income for whites is $760, what does the equation in (a) predict for the median weekly income for blacks?