(13x+2)+(7x-10) add and find the answer

Simplify the expression and find the missing terms. the simplest form of has in the numerator and in the denominator.

At $1.32 million, they closed last month percent above what they paid in 2007." how much did they pay in 2007?

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?