Calcul geometry b peter designed a model skyscraper in shop class. the skyscraper is a composite figure made of three rectangular prisms with square bases. the left and right sides of the model are congruent. which of these is the volume of the model? ( the numbers around the skyscrapers is 7inch 20 inch. 16 inch. 21 inch. ) 2,940 cubic inches 276 cubic inches 2,548 cubic inches prebe 2,352 cubic inches

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?