Which expression is equivalent to 2m2-m? (7-m) +6m2? m-m -m +13m2 -m+ m2 om + m2

Can you guys plz answer this question in order and quickly plz i will give 30 points

What is another way to express 36 +32

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?