A figure comes una box that is 18 cm long and 16cm wife if the volume of the box is 6,336 cubic cm how tall is the box

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?

Need same math paper but the back now i hope your able to read it cleary i need with hw

8.74 rounded to the nearest whole number