Some farms use a hay elevator to move bales of hay to the second story of a barn loft. The bottom of the elevator is 9 meters from the barn and the elevator makes an angle of 34° with the ground. What is the height of the barn from the bottom of the barn opening to the ground?

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?