The Skylown cheerleading squad has a box of purs-poms in their team colors: red, bine, and silver. The probability of pulling a pair of red pom-poms from the box is , and the probability of pulling a blue pair of pom-poms from the box is What
5
is the probability of palling a silver pair of pom-poms from the box?

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?