Gina gets money from her grandfather every day for the entire week of her birthday, starting on monday. she gets $2 on monday, $4 on tuesday, and the previous day's amount gets multiplied by 2 each day. which of the following would represent how much money gina would receive on thursday?
2 5
2 4
2 3
2 2

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?