Students planted 4(2x+3y) amount of trees on saturday and then 3(5x+4) amount of trees on sunday. what is the total amount of trees that the students planted?

10% of 1,900,000. show me how you got the answer

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?

Rewrite so the subject can be y in the formula d=m-y/y+n