The map shows different locations at a county fair. Each unit of the coordinate plane represents 1 meter. Which expression shows how to use the coordinates of the Ferris wheel and ticket booth to find the distance between them?
A) |–3 - 2|
B) |4 - 4|
C) |2 – 4|
D) |4 – (-3)|
can one pls help

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?