Reshawn is buying 3 books in a trilogy set for $24.81. he will save $6.69 by buying the trilogy set instead of buying individual books. if each book costs the same amount, how much does each of the 3 books cost when purchased individually?

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?

What is the measure of sty in oo below? 130 310 230 50

What is the distance between the points (2, 5) and (5,9)?